12385404 has 18 divisors (see below), whose sum is σ = 31307640. Its totient is φ = 4128456.

The previous prime is 12385391. The next prime is 12385433. The reversal of 12385404 is 40458321.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171984 + ... + 172055.

Almost surely, 2^12385404 is an apocalyptic number.

It is an amenable number.

12385404 is an abundant number, since it is smaller than the sum of its proper divisors (18922236).

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

12385404 is a wasteful number, since it uses less digits than its factorization.

12385404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344049 (or 344044 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 12385404 is about 3519.2902693583. The cubic root of 12385404 is about 231.3680532857.

The spelling of 12385404 in words is "twelve million, three hundred eighty-five thousand, four hundred four".