12857404 has 18 divisors (see below), whose sum is σ = 26174400. Its totient is φ = 5510232.

The previous prime is 12857381. The next prime is 12857407. The reversal of 12857404 is 40475821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32604 + ... + 32995.

Almost surely, 2^12857404 is an apocalyptic number.

12857404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12857404 is an abundant number, since it is smaller than the sum of its proper divisors (13316996).

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

12857404 is a wasteful number, since it uses less digits than its factorization.

12857404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65617 (or 65608 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12857404 is about 3585.7222424499. The cubic root of 12857404 is about 234.2705857629.

The spelling of 12857404 in words is "twelve million, eight hundred fifty-seven thousand, four hundred four".