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12404960 = 255314161
BaseRepresentation
bin101111010100…
…100011100000
3212100020101222
4233110203200
511133424320
61121514212
7210304031
oct57244340
925306358
1012404960
117003037
1241a2968
132754419
14190ca88
151150825
hexbd48e0

12404960 has 96 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 4608000.

The previous prime is 12404957. The next prime is 12404971. The reversal of 12404960 is 6940421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203330 + ... + 203390.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 212404960 is an apocalyptic number.

12404960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12404960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15748992).

12404960 is an abundant number, since it is smaller than the sum of its proper divisors (19093024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404960 is a wasteful number, since it uses less digits than its factorization.

12404960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12404960 is about 3522.0675745931. The cubic root of 12404960 is about 231.4897625261.

It can be divided in two parts, 1240 and 4960, that multiplied together give a square (6150400 = 24802).

The spelling of 12404960 in words is "twelve million, four hundred four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 41 61 62 80 82 122 124 155 160 164 205 244 248 305 310 328 410 488 496 610 620 656 820 976 992 1220 1240 1271 1312 1640 1891 1952 2440 2480 2501 2542 3280 3782 4880 4960 5002 5084 6355 6560 7564 9455 9760 10004 10168 12505 12710 15128 18910 20008 20336 25010 25420 30256 37820 40016 40672 50020 50840 60512 75640 77531 80032 100040 101680 151280 155062 200080 203360 302560 310124 387655 400160 620248 775310 1240496 1550620 2480992 3101240 6202480 12404960