13800566 has 16 divisors (see below), whose sum is σ = 23605344. Its totient is φ = 5994624.

The previous prime is 13800557. The next prime is 13800581. The reversal of 13800566 is 66500831.

13800566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15170 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (1475334).

Almost surely, 2^13800566 is an apocalyptic number.

13800566 is a deficient number, since it is larger than the sum of its proper divisors (9804778).

13800566 is a wasteful number, since it uses less digits than its factorization.

13800566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31255.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13800566 is about 3714.9113044594. The cubic root of 13800566 is about 239.8643098727.

The spelling of 13800566 in words is "thirteen million, eight hundred thousand, five hundred sixty-six".