12165974 has 12 divisors (see below), whose sum is σ = 18492396. Its totient is φ = 6002892.

The previous prime is 12165953. The next prime is 12165983. The reversal of 12165974 is 47956121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13337 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (1541033).

Almost surely, 2^12165974 is an apocalyptic number.

12165974 is a deficient number, since it is larger than the sum of its proper divisors (6326422).

12165974 is an frugal number, since it uses more digits than its factorization.

12165974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 968 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 12165974 is about 3487.9756306488. The cubic root of 12165974 is about 229.9935347899.

The spelling of 12165974 in words is "twelve million, one hundred sixty-five thousand, nine hundred seventy-four".