13977066 has 16 divisors (see below), whose sum is σ = 28008000. Its totient is φ = 4650048.

The previous prime is 13977053. The next prime is 13977079. The reversal of 13977066 is 66077931.

It is an interprime number because it is at equal distance from previous prime (13977053) and next prime (13977079).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (1750500).

Almost surely, 2^13977066 is an apocalyptic number.

13977066 is an abundant number, since it is smaller than the sum of its proper divisors (14030934).

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

13977066 is a wasteful number, since it uses less digits than its factorization.

13977066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 13977066 is about 3738.5914459860. The cubic root of 13977066 is about 240.8825492448.

The spelling of 13977066 in words is "thirteen million, nine hundred seventy-seven thousand, sixty-six".