13765516 has 6 divisors (see below), whose sum is σ = 24089660. Its totient is φ = 6882756.

The previous prime is 13765511. The next prime is 13765553. The reversal of 13765516 is 61556731.

It is not an unprimeable number, because it can be changed into a prime (13765511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720686 + ... + 1720693.

Almost surely, 2^13765516 is an apocalyptic number.

It is an amenable number.

13765516 is a deficient number, since it is larger than the sum of its proper divisors (10324144).

13765516 is a wasteful number, since it uses less digits than its factorization.

13765516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441383 (or 3441381 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 13765516 is about 3710.1908306717. The cubic root of 13765516 is about 239.6610725186.

The spelling of 13765516 in words is "thirteen million, seven hundred sixty-five thousand, five hundred sixteen".