14621917 has 2 divisors, whose sum is σ = 14621918. Its totient is φ = 14621916.

The previous prime is 14621897. The next prime is 14621941. The reversal of 14621917 is 71912641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11195716 + 3426201 = 3346^2 + 1851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14621917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14621417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7310958 + 7310959.

It is an arithmetic number, because the mean of its divisors is an integer number (7310959).

Almost surely, 2^14621917 is an apocalyptic number.

It is an amenable number.

14621917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14621917 is an equidigital number, since it uses as much as digits as its factorization.

14621917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 14621917 is about 3823.8615299197. The cubic root of 14621917 is about 244.5314772198.

The spelling of 14621917 in words is "fourteen million, six hundred twenty-one thousand, nine hundred seventeen".