12409976 has 16 divisors (see below), whose sum is σ = 23335800. Its totient is φ = 6187104.

The previous prime is 12409939. The next prime is 12409979. The reversal of 12409976 is 67990421.

It is a super-3 number, since 3×12409976³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12409979) 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, 986 + ... + 5078.

Almost surely, 2^12409976 is an apocalyptic number.

It is an amenable number.

12409976 is a deficient number, since it is larger than the sum of its proper divisors (10925824).

12409976 is a wasteful number, since it uses less digits than its factorization.

12409976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 12409976 is about 3522.7795843623. The cubic root of 12409976 is about 231.5209596219.

The spelling of 12409976 in words is "twelve million, four hundred nine thousand, nine hundred seventy-six".