13908616 has 32 divisors (see below), whose sum is σ = 27060480. Its totient is φ = 6697600.

The previous prime is 13908613. The next prime is 13908619. The reversal of 13908616 is 61680931.

13908616 = T₁₁ + T₁₂ + ... + T₄₃₆.

It is an interprime number because it is at equal distance from previous prime (13908613) and next prime (13908619).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13908611) 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, 26436 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 2^13908616 is an apocalyptic number.

It is an amenable number.

13908616 is a deficient number, since it is larger than the sum of its proper divisors (13151864).

13908616 is a wasteful number, since it uses less digits than its factorization.

13908616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13908616 is about 3729.4256930525. The cubic root of 13908616 is about 240.4886802158.

The spelling of 13908616 in words is "thirteen million, nine hundred eight thousand, six hundred sixteen".