13964768 has 12 divisors (see below), whose sum is σ = 27493200. Its totient is φ = 6982368.

The previous prime is 13964767. The next prime is 13964771. The reversal of 13964768 is 86746931.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218168 + ... + 218231.

It is an arithmetic number, because the mean of its divisors is an integer number (2291100).

Almost surely, 2^13964768 is an apocalyptic number.

It is an amenable number.

13964768 is a deficient number, since it is larger than the sum of its proper divisors (13528432).

13964768 is an equidigital number, since it uses as much as digits as its factorization.

13964768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436409 (or 436401 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 13964768 is about 3736.9463469523. The cubic root of 13964768 is about 240.8118800774.

The spelling of 13964768 in words is "thirteen million, nine hundred sixty-four thousand, seven hundred sixty-eight".