12404976 has 20 divisors (see below), whose sum is σ = 32046312. Its totient is φ = 4134976.

The previous prime is 12404971. The next prime is 12404989. The reversal of 12404976 is 67940421.

It is a happy number.

12404976 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 not an unprimeable number, because it can be changed into a prime (12404971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129171 + ... + 129266.

Almost surely, 2^12404976 is an apocalyptic number.

12404976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12404976 is an abundant number, since it is smaller than the sum of its proper divisors (19641336).

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

12404976 is a wasteful number, since it uses less digits than its factorization.

12404976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258448 (or 258442 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12404976 is about 3522.0698459855. The cubic root of 12404976 is about 231.4898620517.

It can be divided in two parts, 1240 and 4976, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 12404976 in words is "twelve million, four hundred four thousand, nine hundred seventy-six".