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13412740 = 22511411487
BaseRepresentation
bin110011001010…
…100110000100
3221020102211011
4303022212010
511413201430
61155252004
7222002125
oct63124604
927212734
1013412740
117631210
1245aa004
132a18043
141ad204c
15129e22a
hexcca984

13412740 has 48 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 4755200.

The previous prime is 13412723. The next prime is 13412753. The reversal of 13412740 is 4721431.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8277 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (656208).

Almost surely, 213412740 is an apocalyptic number.

13412740 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 13412740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15748992).

13412740 is an abundant number, since it is smaller than the sum of its proper divisors (18085244).

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

13412740 is a wasteful number, since it uses less digits than its factorization.

13412740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13412740 is about 3662.3407815221. The cubic root of 13412740 is about 237.5960239597.

The spelling of 13412740 in words is "thirteen million, four hundred twelve thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 41 44 55 82 110 164 205 220 410 451 820 902 1487 1804 2255 2974 4510 5948 7435 9020 14870 16357 29740 32714 60967 65428 81785 121934 163570 243868 304835 327140 609670 670637 1219340 1341274 2682548 3353185 6706370 13412740