12880269 has 8 divisors (see below), whose sum is σ = 19081920. Its totient is φ = 8586828.

The previous prime is 12880267. The next prime is 12880277. The reversal of 12880269 is 96208821.

It is not a de Polignac number, because 12880269 - 2¹ = 12880267 is a prime.

It is a super-2 number, since 2×12880269² = 331802659024722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880261) 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, 238497 + ... + 238550.

It is an arithmetic number, because the mean of its divisors is an integer number (2385240).

Almost surely, 2^12880269 is an apocalyptic number.

It is an amenable number.

12880269 is a deficient number, since it is larger than the sum of its proper divisors (6201651).

12880269 is an equidigital number, since it uses as much as digits as its factorization.

12880269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477056 (or 477050 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 12880269 is about 3588.9091657494. The cubic root of 12880269 is about 234.4093754380.

The spelling of 12880269 in words is "twelve million, eight hundred eighty thousand, two hundred sixty-nine".