13940368 has 20 divisors (see below), whose sum is σ = 29087548. Its totient is φ = 6433920.

The previous prime is 13940351. The next prime is 13940371. The reversal of 13940368 is 86304931.

It can be written as a sum of positive squares in 2 ways, for example, as 1774224 + 12166144 = 1332^2 + 3488^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33303 + ... + 33718.

Almost surely, 2^13940368 is an apocalyptic number.

It is an amenable number.

13940368 is an abundant number, since it is smaller than the sum of its proper divisors (15147180).

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

13940368 is a wasteful number, since it uses less digits than its factorization.

13940368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67042 (or 67036 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13940368 is about 3733.6802219794. The cubic root of 13940368 is about 240.6715451198.

The spelling of 13940368 in words is "thirteen million, nine hundred forty thousand, three hundred sixty-eight".