13940964 has 24 divisors (see below), whose sum is σ = 36143520. Its totient is φ = 4646952.

The previous prime is 13940959. The next prime is 13940989. The reversal of 13940964 is 46904931.

13940964 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 64434 + ... + 64649.

It is an arithmetic number, because the mean of its divisors is an integer number (1505980).

Almost surely, 2^13940964 is an apocalyptic number.

It is an amenable number.

13940964 is an abundant number, since it is smaller than the sum of its proper divisors (22202556).

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

13940964 is a wasteful number, since it uses less digits than its factorization.

13940964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129096 (or 129088 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13940964 is about 3733.7600351388. The cubic root of 13940964 is about 240.6749749240.

The spelling of 13940964 in words is "thirteen million, nine hundred forty thousand, nine hundred sixty-four".