13607917 has 2 divisors, whose sum is σ = 13607918. Its totient is φ = 13607916.

The previous prime is 13607879. The next prime is 13607921. The reversal of 13607917 is 71970631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7986276 + 5621641 = 2826^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 13607917 - 2²³ = 5219309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13607117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6803958 + 6803959.

It is an arithmetic number, because the mean of its divisors is an integer number (6803959).

Almost surely, 2^13607917 is an apocalyptic number.

It is an amenable number.

13607917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13607917 is an equidigital number, since it uses as much as digits as its factorization.

13607917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 13607917 is about 3688.8910257691. The cubic root of 13607917 is about 238.7429470793.

It can be divided in two parts, 1360 and 7917, that multiplied together give a triangular number (10767120 = T₄₆₄₀).

The spelling of 13607917 in words is "thirteen million, six hundred seven thousand, nine hundred seventeen".