12109976 has 16 divisors (see below), whose sum is σ = 22791240. Its totient is φ = 6032320.

The previous prime is 12109969. The next prime is 12109987. The reversal of 12109976 is 67990121.

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, 446 + ... + 4941.

Almost surely, 2^12109976 is an apocalyptic number.

It is an amenable number.

12109976 is a deficient number, since it is larger than the sum of its proper divisors (10681264).

12109976 is a wasteful number, since it uses less digits than its factorization.

12109976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674 (or 5670 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 12109976 is about 3479.9390799265. The cubic root of 12109976 is about 229.6401177132.

The spelling of 12109976 in words is "twelve million, one hundred nine thousand, nine hundred seventy-six".