13665748 has 12 divisors (see below), whose sum is σ = 24162292. Its totient is φ = 6762240.

The previous prime is 13665737. The next prime is 13665763. The reversal of 13665748 is 84756631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 3755844 = 3148^2 + 1938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13665748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17223 + ... + 17998.

Almost surely, 2^13665748 is an apocalyptic number.

It is an amenable number.

13665748 is a deficient number, since it is larger than the sum of its proper divisors (10496544).

13665748 is a wasteful number, since it uses less digits than its factorization.

13665748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35322 (or 35320 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 13665748 is about 3696.7212499727. The cubic root of 13665748 is about 239.0806728008.

The spelling of 13665748 in words is "thirteen million, six hundred sixty-five thousand, seven hundred forty-eight".