13845566 has 16 divisors (see below), whose sum is σ = 24984960. Its totient is φ = 5621400.

The previous prime is 13845541. The next prime is 13845571. The reversal of 13845566 is 66554831.

13845566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25760 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (1561560).

Almost surely, 2^13845566 is an apocalyptic number.

13845566 is a deficient number, since it is larger than the sum of its proper divisors (11139394).

13845566 is a wasteful number, since it uses less digits than its factorization.

13845566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52079.

The product of its digits is 86400, while the sum is 38.

The square root of 13845566 is about 3720.9630473844. The cubic root of 13845566 is about 240.1247383976.

The spelling of 13845566 in words is "thirteen million, eight hundred forty-five thousand, five hundred sixty-six".