12415404 has 12 divisors (see below), whose sum is σ = 28969304. Its totient is φ = 4138464.

The previous prime is 12415399. The next prime is 12415421. The reversal of 12415404 is 40451421.

It is a happy number.

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

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, 517297 + ... + 517320.

Almost surely, 2^12415404 is an apocalyptic number.

It is an amenable number.

12415404 is an abundant number, since it is smaller than the sum of its proper divisors (16553900).

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

12415404 is a wasteful number, since it uses less digits than its factorization.

12415404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034624 (or 1034622 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 12415404 is about 3523.5499145038. The cubic root of 12415404 is about 231.5547096896.

Adding to 12415404 its reverse (40451421), we get a palindrome (52866825).

It can be divided in two parts, 12 and 415404, that added together give a triangular number (415416 = T₉₁₁).

The spelling of 12415404 in words is "twelve million, four hundred fifteen thousand, four hundred four".