12622369 has 2 divisors, whose sum is σ = 12622370. Its totient is φ = 12622368.

The previous prime is 12622343. The next prime is 12622373. The reversal of 12622369 is 96322621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 2286144 = 3215^2 + 1512^2 .

It is an emirp because it is prime and its reverse (96322621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12622369 is a prime.

It is a super-2 number, since 2×12622369² = 318648398344322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12622369.

It is not a weakly prime, because it can be changed into another prime (12622339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311184 + 6311185.

It is an arithmetic number, because the mean of its divisors is an integer number (6311185).

Almost surely, 2^12622369 is an apocalyptic number.

It is an amenable number.

12622369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622369 is an equidigital number, since it uses as much as digits as its factorization.

12622369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 12622369 is about 3552.7973485692. The cubic root of 12622369 is about 232.8342992275.

The spelling of 12622369 in words is "twelve million, six hundred twenty-two thousand, three hundred sixty-nine".