12409772 has 12 divisors (see below), whose sum is σ = 21742896. Its totient is φ = 6197520.

The previous prime is 12409729. The next prime is 12409801. The reversal of 12409772 is 27790421.

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, 4022 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (1811908).

Almost surely, 2^12409772 is an apocalyptic number.

It is an amenable number.

12409772 is a deficient number, since it is larger than the sum of its proper divisors (9333124).

12409772 is a wasteful number, since it uses less digits than its factorization.

12409772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12409772 is about 3522.7506298346. The cubic root of 12409772 is about 231.5196910045.

The spelling of 12409772 in words is "twelve million, four hundred nine thousand, seven hundred seventy-two".