12432404 has 12 divisors (see below), whose sum is σ = 22019424. Its totient is φ = 6141144.

The previous prime is 12432391. The next prime is 12432449. The reversal of 12432404 is 40423421.

12432404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 18392 + ... + 19055.

It is an arithmetic number, because the mean of its divisors is an integer number (1834952).

Almost surely, 2^12432404 is an apocalyptic number.

It is an amenable number.

12432404 is a deficient number, since it is larger than the sum of its proper divisors (9587020).

12432404 is a wasteful number, since it uses less digits than its factorization.

12432404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37534 (or 37532 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12432404 is about 3525.9614291708. The cubic root of 12432404 is about 231.6603482108.

Adding to 12432404 its reverse (40423421), we get a palindrome (52855825).

The spelling of 12432404 in words is "twelve million, four hundred thirty-two thousand, four hundred four".