13660552 has 16 divisors (see below), whose sum is σ = 25667100. Its totient is φ = 6816000.

The previous prime is 13660547. The next prime is 13660561. The reversal of 13660552 is 25506631.

It can be written as a sum of positive squares in 2 ways, for example, as 13293316 + 367236 = 3646^2 + 606^2 .

It is a super-2 number, since 2×13660552² = 373221361889408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13660552.

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, 3052 + ... + 6052.

Almost surely, 2^13660552 is an apocalyptic number.

It is an amenable number.

13660552 is a deficient number, since it is larger than the sum of its proper divisors (12006548).

13660552 is a wasteful number, since it uses less digits than its factorization.

13660552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13660552 is about 3696.0183982226. The cubic root of 13660552 is about 239.0503678210.

The spelling of 13660552 in words is "thirteen million, six hundred sixty thousand, five hundred fifty-two".