12624169 has 2 divisors, whose sum is σ = 12624170. Its totient is φ = 12624168.

The previous prime is 12624167. The next prime is 12624179. The reversal of 12624169 is 96142621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 1996569 = 3260^2 + 1413^2 .

It is an emirp because it is prime and its reverse (96142621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12624169 - 2¹ = 12624167 is a prime.

It is a super-2 number, since 2×12624169² = 318739285881122, which contains 22 as substring.

Together with 12624167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12624169.

It is not a weakly prime, because it can be changed into another prime (12624163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312084 + 6312085.

It is an arithmetic number, because the mean of its divisors is an integer number (6312085).

Almost surely, 2^12624169 is an apocalyptic number.

It is an amenable number.

12624169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12624169 is an equidigital number, since it uses as much as digits as its factorization.

12624169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 12624169 is about 3553.0506610517. The cubic root of 12624169 is about 232.8453664003.

The spelling of 12624169 in words is "twelve million, six hundred twenty-four thousand, one hundred sixty-nine".