12997365 has 16 divisors (see below), whose sum is σ = 21513600. Its totient is φ = 6692672.

The previous prime is 12997357. The next prime is 12997379. The reversal of 12997365 is 56379921.

It is a cyclic number.

It is not a de Polignac number, because 12997365 - 2³ = 12997357 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14505 + ... + 15374.

It is an arithmetic number, because the mean of its divisors is an integer number (1344600).

Almost surely, 2^12997365 is an apocalyptic number.

12997365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12997365 is a deficient number, since it is larger than the sum of its proper divisors (8516235).

12997365 is a wasteful number, since it uses less digits than its factorization.

12997365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29916.

The product of its digits is 102060, while the sum is 42.

The square root of 12997365 is about 3605.1858481915. The cubic root of 12997365 is about 235.1175811168.

The spelling of 12997365 in words is "twelve million, nine hundred ninety-seven thousand, three hundred sixty-five".