12695969 has 16 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 10421760.

The previous prime is 12695959. The next prime is 12695999. The reversal of 12695969 is 96959621.

It is a cyclic number.

It is not a de Polignac number, because 12695969 - 2⁸ = 12695713 is a prime.

It is a super-2 number, since 2×12695969² = 322375257697922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12695909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5777 + ... + 7665.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^12695969 is an apocalyptic number.

It is an amenable number.

12695969 is a deficient number, since it is larger than the sum of its proper divisors (2544991).

12695969 is a wasteful number, since it uses less digits than its factorization.

12695969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its digits is 262440, while the sum is 47.

The square root of 12695969 is about 3563.1403284182. The cubic root of 12695969 is about 233.2859683905.

The spelling of 12695969 in words is "twelve million, six hundred ninety-five thousand, nine hundred sixty-nine".