12504169 has 2 divisors, whose sum is σ = 12504170. Its totient is φ = 12504168.

The previous prime is 12504161. The next prime is 12504227. The reversal of 12504169 is 96140521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 2518569 = 3160^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12504169 - 2³ = 12504161 is a prime.

It is a super-2 number, since 2×12504169² = 312708484761122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12504161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252084 + 6252085.

It is an arithmetic number, because the mean of its divisors is an integer number (6252085).

Almost surely, 2^12504169 is an apocalyptic number.

It is an amenable number.

12504169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504169 is an equidigital number, since it uses as much as digits as its factorization.

12504169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12504169 is about 3536.1234424154. The cubic root of 12504169 is about 232.1052398579.

The spelling of 12504169 in words is "twelve million, five hundred four thousand, one hundred sixty-nine".