12873136 has 10 divisors (see below), whose sum is σ = 24941732. Its totient is φ = 6436560.

The previous prime is 12873083. The next prime is 12873149. The reversal of 12873136 is 63137821.

It is a junction number, because it is equal to n+sod(n) for n = 12873098 and 12873107.

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 as a sum of consecutive naturals, namely, 402270 + ... + 402301.

Almost surely, 2^12873136 is an apocalyptic number.

12873136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12873136 is a deficient number, since it is larger than the sum of its proper divisors (12068596).

12873136 is an equidigital number, since it uses as much as digits as its factorization.

12873136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804579 (or 804573 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 12873136 is about 3587.9152721323. The cubic root of 12873136 is about 234.3660960410.

The spelling of 12873136 in words is "twelve million, eight hundred seventy-three thousand, one hundred thirty-six".