12915269 has 4 divisors (see below), whose sum is σ = 13595040. Its totient is φ = 12235500.

The previous prime is 12915263. The next prime is 12915281. The reversal of 12915269 is 96251921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96251921 = 1039 ⋅92639.

It is a cyclic number.

It is not a de Polignac number, because 12915269 - 2⁸ = 12915013 is a prime.

It is a super-2 number, since 2×12915269² = 333608346684722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12915263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339857 + ... + 339894.

It is an arithmetic number, because the mean of its divisors is an integer number (3398760).

Almost surely, 2^12915269 is an apocalyptic number.

12915269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12915269 is a deficient number, since it is larger than the sum of its proper divisors (679771).

12915269 is an equidigital number, since it uses as much as digits as its factorization.

12915269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679770.

The product of its digits is 9720, while the sum is 35.

The square root of 12915269 is about 3593.7819911620. The cubic root of 12915269 is about 234.6215063088.

The spelling of 12915269 in words is "twelve million, nine hundred fifteen thousand, two hundred sixty-nine".