13937285 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 10898496.

The previous prime is 13937281. The next prime is 13937291. The reversal of 13937285 is 58273931.

It is a cyclic number.

It is not a de Polignac number, because 13937285 - 2² = 13937281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937281) 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 15 ways as a sum of consecutive naturals, for example, 58196 + ... + 58434.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^13937285 is an apocalyptic number.

It is an amenable number.

13937285 is a deficient number, since it is larger than the sum of its proper divisors (3169915).

13937285 is a wasteful number, since it uses less digits than its factorization.

13937285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its digits is 45360, while the sum is 38.

The square root of 13937285 is about 3733.2673357262. The cubic root of 13937285 is about 240.6538018034.

The spelling of 13937285 in words is "thirteen million, nine hundred thirty-seven thousand, two hundred eighty-five".