13622669 has 2 divisors, whose sum is σ = 13622670. Its totient is φ = 13622668.

The previous prime is 13622633. The next prime is 13622689. The reversal of 13622669 is 96622631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 1857769 = 3430^2 + 1363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13622669 is a prime.

It is a super-2 number, since 2×13622669² = 371154221367122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13622689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6811334 + 6811335.

It is an arithmetic number, because the mean of its divisors is an integer number (6811335).

Almost surely, 2^13622669 is an apocalyptic number.

It is an amenable number.

13622669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13622669 is an equidigital number, since it uses as much as digits as its factorization.

13622669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 13622669 is about 3690.8900010702. The cubic root of 13622669 is about 238.8291876612.

The spelling of 13622669 in words is "thirteen million, six hundred twenty-two thousand, six hundred sixty-nine".