12604438 has 16 divisors (see below), whose sum is σ = 23572224. Its totient is φ = 4910760.

The previous prime is 12604421. The next prime is 12604439. The reversal of 12604438 is 83440621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604439) 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, 40770 + ... + 41077.

It is an arithmetic number, because the mean of its divisors is an integer number (1473264).

Almost surely, 2^12604438 is an apocalyptic number.

12604438 is a deficient number, since it is larger than the sum of its proper divisors (10967786).

12604438 is a wasteful number, since it uses less digits than its factorization.

12604438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81867.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 12604438 is about 3550.2729472535. The cubic root of 12604438 is about 232.7239942517.

It can be divided in two parts, 12 and 604438, that added together give a triangular number (604450 = T₁₀₉₉).

The spelling of 12604438 in words is "twelve million, six hundred four thousand, four hundred thirty-eight".