14913557 has 2 divisors, whose sum is σ = 14913558. Its totient is φ = 14913556.

The previous prime is 14913533. The next prime is 14913593. The reversal of 14913557 is 75531941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 5340721 = 3094^2 + 2311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14913557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14913517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7456778 + 7456779.

It is an arithmetic number, because the mean of its divisors is an integer number (7456779).

Almost surely, 2^14913557 is an apocalyptic number.

It is an amenable number.

14913557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14913557 is an equidigital number, since it uses as much as digits as its factorization.

14913557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 14913557 is about 3861.8074783707. The cubic root of 14913557 is about 246.1465460801.

The spelling of 14913557 in words is "fourteen million, nine hundred thirteen thousand, five hundred fifty-seven".