13942866 has 16 divisors (see below), whose sum is σ = 31869504. Its totient is φ = 3983664.

The previous prime is 13942861. The next prime is 13942871. The reversal of 13942866 is 66824931.

It is an interprime number because it is at equal distance from previous prime (13942861) and next prime (13942871).

It is not an unprimeable number, because it can be changed into a prime (13942861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165945 + ... + 166028.

It is an arithmetic number, because the mean of its divisors is an integer number (1991844).

Almost surely, 2^13942866 is an apocalyptic number.

13942866 is an abundant number, since it is smaller than the sum of its proper divisors (17926638).

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

13942866 is a wasteful number, since it uses less digits than its factorization.

13942866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331985.

The product of its digits is 62208, while the sum is 39.

The square root of 13942866 is about 3734.0147294835. The cubic root of 13942866 is about 240.6859197191.

The spelling of 13942866 in words is "thirteen million, nine hundred forty-two thousand, eight hundred sixty-six".