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12874160 = 2451312379
BaseRepresentation
bin110001000111…
…000110110000
3220020002000202
4301013012300
511243433120
61135534332
7214266665
oct61070660
926202022
1012874160
1172a3602
12438a3a8
132889b60
1419d1a6c
1511e4875
hexc471b0

12874160 has 40 divisors (see below), whose sum is σ = 32237520. Its totient is φ = 4753152.

The previous prime is 12874159. The next prime is 12874163. The reversal of 12874160 is 6147821.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12874163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (805938).

Almost surely, 212874160 is an apocalyptic number.

12874160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12874160 is an abundant number, since it is smaller than the sum of its proper divisors (19363360).

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

12874160 is a wasteful number, since it uses less digits than its factorization.

12874160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12874160 is about 3588.0579705462. The cubic root of 12874160 is about 234.3723101321.

The spelling of 12874160 in words is "twelve million, eight hundred seventy-four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 12379 24758 49516 61895 99032 123790 160927 198064 247580 321854 495160 643708 804635 990320 1287416 1609270 2574832 3218540 6437080 12874160