12815369 has 16 divisors (see below), whose sum is σ = 15344640. Its totient is φ = 10471680.

The previous prime is 12815353. The next prime is 12815417. The reversal of 12815369 is 96351821.

It is a cyclic number.

It is not a de Polignac number, because 12815369 - 2⁴ = 12815353 is a prime.

It is a super-2 number, since 2×12815369² = 328467365212322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12815269) 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, 15437 + ... + 16245.

It is an arithmetic number, because the mean of its divisors is an integer number (959040).

Almost surely, 2^12815369 is an apocalyptic number.

It is an amenable number.

12815369 is a deficient number, since it is larger than the sum of its proper divisors (2529271).

12815369 is an equidigital number, since it uses as much as digits as its factorization.

12815369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 12960, while the sum is 35.

The square root of 12815369 is about 3579.8560026906. The cubic root of 12815369 is about 234.0150050037.

The spelling of 12815369 in words is "twelve million, eight hundred fifteen thousand, three hundred sixty-nine".