12665375 has 8 divisors (see below), whose sum is σ = 15806544. Its totient is φ = 10132200.

The previous prime is 12665363. The next prime is 12665377. The reversal of 12665375 is 57356621.

It is not a de Polignac number, because 12665375 - 2⁶ = 12665311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12665377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50537 + ... + 50786.

It is an arithmetic number, because the mean of its divisors is an integer number (1975818).

Almost surely, 2^12665375 is an apocalyptic number.

12665375 is a deficient number, since it is larger than the sum of its proper divisors (3141169).

12665375 is an equidigital number, since it uses as much as digits as its factorization.

12665375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101338 (or 101328 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 12665375 is about 3558.8446158831. The cubic root of 12665375 is about 233.0984313987.

The spelling of 12665375 in words is "twelve million, six hundred sixty-five thousand, three hundred seventy-five".