12669965 has 16 divisors (see below), whose sum is σ = 18956160. Its totient is φ = 7897920.

The previous prime is 12669961. The next prime is 12669967. The reversal of 12669965 is 56996621.

It is not a de Polignac number, because 12669965 - 2² = 12669961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16070 + ... + 16839.

It is an arithmetic number, because the mean of its divisors is an integer number (1184760).

Almost surely, 2^12669965 is an apocalyptic number.

It is an amenable number.

12669965 is a deficient number, since it is larger than the sum of its proper divisors (6286195).

12669965 is a wasteful number, since it uses less digits than its factorization.

12669965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32932.

The product of its digits is 174960, while the sum is 44.

The square root of 12669965 is about 3559.4894296795. The cubic root of 12669965 is about 233.1265867061.

The spelling of 12669965 in words is "twelve million, six hundred sixty-nine thousand, nine hundred sixty-five".