12973765 has 8 divisors (see below), whose sum is σ = 17792640. Its totient is φ = 8896272.

The previous prime is 12973699. The next prime is 12973781. The reversal of 12973765 is 56737921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12973765 - 2⁹ = 12973253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185305 + ... + 185374.

It is an arithmetic number, because the mean of its divisors is an integer number (2224080).

Almost surely, 2^12973765 is an apocalyptic number.

It is an amenable number.

12973765 is a deficient number, since it is larger than the sum of its proper divisors (4818875).

12973765 is an equidigital number, since it uses as much as digits as its factorization.

12973765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370691.

The product of its digits is 79380, while the sum is 40.

The square root of 12973765 is about 3601.9112981860. The cubic root of 12973765 is about 234.9751897755.

The spelling of 12973765 in words is "twelve million, nine hundred seventy-three thousand, seven hundred sixty-five".