13939364 has 6 divisors (see below), whose sum is σ = 24393894. Its totient is φ = 6969680.

The previous prime is 13939363. The next prime is 13939381. The reversal of 13939364 is 46393931.

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 3648100 = 3208^2 + 1910^2 .

It is not an unprimeable number, because it can be changed into a prime (13939361) 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, 1742417 + ... + 1742424.

It is an arithmetic number, because the mean of its divisors is an integer number (4065649).

Almost surely, 2^13939364 is an apocalyptic number.

It is an amenable number.

13939364 is a deficient number, since it is larger than the sum of its proper divisors (10454530).

13939364 is a wasteful number, since it uses less digits than its factorization.

13939364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484845 (or 3484843 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 13939364 is about 3733.5457677655. The cubic root of 13939364 is about 240.6657671749.

The spelling of 13939364 in words is "thirteen million, nine hundred thirty-nine thousand, three hundred sixty-four".