13731964 has 24 divisors (see below), whose sum is σ = 25446960. Its totient is φ = 6472704.

The previous prime is 13731961. The next prime is 13731967. The reversal of 13731964 is 46913731.

It is an interprime number because it is at equal distance from previous prime (13731961) and next prime (13731967).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13731961) 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 in 7 ways as a sum of consecutive naturals, for example, 3612 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 2^13731964 is an apocalyptic number.

It is an amenable number.

13731964 is a deficient number, since it is larger than the sum of its proper divisors (11714996).

13731964 is a wasteful number, since it uses less digits than its factorization.

13731964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2827 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 13731964 is about 3705.6664717700. Note that the first 3 decimals coincide. The cubic root of 13731964 is about 239.4661978698.

The spelling of 13731964 in words is "thirteen million, seven hundred thirty-one thousand, nine hundred sixty-four".