12902269 has 4 divisors (see below), whose sum is σ = 13661244. Its totient is φ = 12143296.

The previous prime is 12902251. The next prime is 12902317. The reversal of 12902269 is 96220921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96220921 = 19 ⋅5064259.

It can be written as a sum of positive squares in 2 ways, for example, as 7496644 + 5405625 = 2738^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 12902269 - 2⁵ = 12902237 is a prime.

It is a super-2 number, since 2×12902269² = 332937090696722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12902269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902369) 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, 379462 + ... + 379495.

It is an arithmetic number, because the mean of its divisors is an integer number (3415311).

Almost surely, 2^12902269 is an apocalyptic number.

It is an amenable number.

12902269 is a deficient number, since it is larger than the sum of its proper divisors (758975).

12902269 is an equidigital number, since it uses as much as digits as its factorization.

12902269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758974.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12902269 is about 3591.9728562449. The cubic root of 12902269 is about 234.5427596326.

The spelling of 12902269 in words is "twelve million, nine hundred two thousand, two hundred sixty-nine".