13622689 has 2 divisors, whose sum is σ = 13622690. Its totient is φ = 13622688.

The previous prime is 13622669. The next prime is 13622717. The reversal of 13622689 is 98622631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11505664 + 2117025 = 3392^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 13622689 - 2⁷ = 13622561 is a prime.

It is not a weakly prime, because it can be changed into another prime (13622669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6811344 + 6811345.

It is an arithmetic number, because the mean of its divisors is an integer number (6811345).

Almost surely, 2^13622689 is an apocalyptic number.

It is an amenable number.

13622689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13622689 is an equidigital number, since it uses as much as digits as its factorization.

13622689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 13622689 is about 3690.8927104428. The cubic root of 13622689 is about 238.8293045394.

The spelling of 13622689 in words is "thirteen million, six hundred twenty-two thousand, six hundred eighty-nine".