16407913 has 8 divisors (see below), whose sum is σ = 16921800. Its totient is φ = 15899520.

The previous prime is 16407869. The next prime is 16407929. The reversal of 16407913 is 31970461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 15342889 = 1032^2 + 3917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16407913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16407943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (2115225).

Almost surely, 2^16407913 is an apocalyptic number.

It is an amenable number.

16407913 is a deficient number, since it is larger than the sum of its proper divisors (513887).

16407913 is a wasteful number, since it uses less digits than its factorization.

16407913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16407913 is about 4050.6682164798. The cubic root of 16407913 is about 254.1076743975.

The spelling of 16407913 in words is "sixteen million, four hundred seven thousand, nine hundred thirteen".