13566552 has 16 divisors (see below), whose sum is σ = 33916440. Its totient is φ = 4522176.

The previous prime is 13566541. The next prime is 13566557. The reversal of 13566552 is 25566531.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13566557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282613 + ... + 282660.

Almost surely, 2^13566552 is an apocalyptic number.

13566552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13566552 is an abundant number, since it is smaller than the sum of its proper divisors (20349888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13566552 is a wasteful number, since it uses less digits than its factorization.

13566552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565282 (or 565278 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 13566552 is about 3683.2800599466. The cubic root of 13566552 is about 238.5007933028.

The spelling of 13566552 in words is "thirteen million, five hundred sixty-six thousand, five hundred fifty-two".