12604044 has 12 divisors (see below), whose sum is σ = 29409464. Its totient is φ = 4201344.

The previous prime is 12604019. The next prime is 12604057. The reversal of 12604044 is 44040621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12604044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525157 + ... + 525180.

Almost surely, 2^12604044 is an apocalyptic number.

It is an amenable number.

12604044 is an abundant number, since it is smaller than the sum of its proper divisors (16805420).

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

12604044 is a wasteful number, since it uses less digits than its factorization.

12604044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050344 (or 1050342 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12604044 is about 3550.2174581284. The cubic root of 12604044 is about 232.7215693330.

Adding to 12604044 its reverse (44040621), we get a palindrome (56644665).

It can be divided in two parts, 12 and 604044, that multiplied together give a triangular number (7248528 = T₃₈₀₇).

The spelling of 12604044 in words is "twelve million, six hundred four thousand, forty-four".