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12873902 = 213946309
BaseRepresentation
bin110001000111…
…000010101110
3220020001200012
4301013002232
511243431102
61135533222
7214266146
oct61070256
926201605
1012873902
1172a3398
12438a212
1328899c2
1419d1926
1511e4752
hexc470ae

12873902 has 8 divisors (see below), whose sum is σ = 19450200. Its totient is φ = 6390504.

The previous prime is 12873871. The next prime is 12873943. The reversal of 12873902 is 20937821.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 22877 + ... + 23432.

It is an arithmetic number, because the mean of its divisors is an integer number (2431275).

Almost surely, 212873902 is an apocalyptic number.

12873902 is a deficient number, since it is larger than the sum of its proper divisors (6576298).

12873902 is a wasteful number, since it uses less digits than its factorization.

12873902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46450.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12873902 is about 3588.0220177697. The cubic root of 12873902 is about 234.3707445035.

The spelling of 12873902 in words is "twelve million, eight hundred seventy-three thousand, nine hundred two".

Divisors: 1 2 139 278 46309 92618 6436951 12873902