12239975 has 24 divisors (see below), whose sum is σ = 16927488. Its totient is φ = 8703200.

The previous prime is 12239959. The next prime is 12239977. The reversal of 12239975 is 57993221.

It is not a de Polignac number, because 12239975 - 2⁴ = 12239959 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239977) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12452 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^12239975 is an apocalyptic number.

12239975 is a deficient number, since it is larger than the sum of its proper divisors (4687513).

12239975 is a wasteful number, since it uses less digits than its factorization.

12239975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1010 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 12239975 is about 3498.5675640182. The cubic root of 12239975 is about 230.4589135991.

The spelling of 12239975 in words is "twelve million, two hundred thirty-nine thousand, nine hundred seventy-five".