13568445 has 32 divisors (see below), whose sum is σ = 26317440. Its totient is φ = 6577920.

The previous prime is 13568419. The next prime is 13568453. The reversal of 13568445 is 54486531.

It is a happy number.

It is not a de Polignac number, because 13568445 - 2¹⁴ = 13552061 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3084 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (822420).

Almost surely, 2^13568445 is an apocalyptic number.

13568445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13568445 is a deficient number, since it is larger than the sum of its proper divisors (12748995).

13568445 is a wasteful number, since it uses less digits than its factorization.

13568445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162 (or 9156 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 13568445 is about 3683.5370230256. The cubic root of 13568445 is about 238.5118858046.

It can be divided in two parts, 1356 and 8445, that added together give a square (9801 = 99²).

The spelling of 13568445 in words is "thirteen million, five hundred sixty-eight thousand, four hundred forty-five".