16913313 has 16 divisors (see below), whose sum is σ = 25171200. Its totient is φ = 11224080.

The previous prime is 16913311. The next prime is 16913327. The reversal of 16913313 is 31331961.

It is not a de Polignac number, because 16913313 - 2¹ = 16913311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16913311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (1573200).

Almost surely, 2^16913313 is an apocalyptic number.

It is an amenable number.

16913313 is a deficient number, since it is larger than the sum of its proper divisors (8257887).

16913313 is a wasteful number, since it uses less digits than its factorization.

16913313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2863 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 16913313 is about 4112.5798472492. The cubic root of 16913313 is about 256.6903617486.

The spelling of 16913313 in words is "sixteen million, nine hundred thirteen thousand, three hundred thirteen".