13804866 has 12 divisors (see below), whose sum is σ = 29910582. Its totient is φ = 4601616.

The previous prime is 13804859. The next prime is 13804883. The reversal of 13804866 is 66840831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 77841 = 3705^2 + 279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13804866.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383451 + ... + 383486.

Almost surely, 2^13804866 is an apocalyptic number.

13804866 is an abundant number, since it is smaller than the sum of its proper divisors (16105716).

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

13804866 is a wasteful number, since it uses less digits than its factorization.

13804866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766945 (or 766942 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 13804866 is about 3715.4900080608. The cubic root of 13804866 is about 239.8892197067.

The spelling of 13804866 in words is "thirteen million, eight hundred four thousand, eight hundred sixty-six".