12800404 has 24 divisors (see below), whose sum is σ = 23123520. Its totient is φ = 6197184.

The previous prime is 12800387. The next prime is 12800407. The reversal of 12800404 is 40400821.

12800404 = T₆₂₉ + T₆₃₀ + ... + T₆₈₇.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800407) 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, 16857 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 2^12800404 is an apocalyptic number.

It is an amenable number.

12800404 is a deficient number, since it is larger than the sum of its proper divisors (10323116).

12800404 is a wasteful number, since it uses less digits than its factorization.

12800404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 12800404 is about 3577.7652242706. The cubic root of 12800404 is about 233.9238800794.

The spelling of 12800404 in words is "twelve million, eight hundred thousand, four hundred four".