13568745 has 16 divisors (see below), whose sum is σ = 22240512. Its totient is φ = 7059840.

The previous prime is 13568743. The next prime is 13568749. The reversal of 13568745 is 54786531.

It is not a de Polignac number, because 13568745 - 2¹ = 13568743 is a prime.

It is a super-2 number, since 2×13568745² = 368221681750050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13568743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10417 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (1390032).

Almost surely, 2^13568745 is an apocalyptic number.

13568745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13568745 is a deficient number, since it is larger than the sum of its proper divisors (8671767).

13568745 is a wasteful number, since it uses less digits than its factorization.

13568745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112.

The product of its digits is 100800, while the sum is 39.

The square root of 13568745 is about 3683.5777445304. The cubic root of 13568745 is about 238.5136436340.

It can be divided in two parts, 1356 and 8745, that added together give a palindrome (10101).

The spelling of 13568745 in words is "thirteen million, five hundred sixty-eight thousand, seven hundred forty-five".