Search a number
-
+
12946080 = 253573853
BaseRepresentation
bin110001011000…
…101010100000
3220100201200110
4301120222200
511303233310
61141251320
7215016450
oct61305240
926321613
1012946080
117342644
124403b40
1328b3804
141a0dd60
15120ad20
hexc58aa0

12946080 has 96 divisors (see below), whose sum is σ = 46617984. Its totient is φ = 2958336.

The previous prime is 12946067. The next prime is 12946081. The reversal of 12946080 is 8064921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (485604).

Almost surely, 212946080 is an apocalyptic number.

12946080 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 12946080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23308992).

12946080 is an abundant number, since it is smaller than the sum of its proper divisors (33671904).

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

12946080 is a wasteful number, since it uses less digits than its factorization.

12946080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12946080 is about 3598.0661472519. The cubic root of 12946080 is about 234.8079311866.

The spelling of 12946080 in words is "twelve million, nine hundred forty-six thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 3853 7706 11559 15412 19265 23118 26971 30824 38530 46236 53942 57795 61648 77060 80913 92472 107884 115590 123296 134855 154120 161826 184944 215768 231180 269710 308240 323652 369888 404565 431536 462360 539420 616480 647304 809130 863072 924720 1078840 1294608 1618260 1849440 2157680 2589216 3236520 4315360 6473040 12946080