13903713 has 12 divisors (see below), whose sum is σ = 20268820. Its totient is φ = 9183456.

The previous prime is 13903709. The next prime is 13903727. The reversal of 13903713 is 31730931.

13903713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 2934369 = 3312^2 + 1713^2 .

It is not a de Polignac number, because 13903713 - 2² = 13903709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13903733) 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 11 ways as a sum of consecutive naturals, for example, 6106 + ... + 8067.

Almost surely, 2^13903713 is an apocalyptic number.

It is an amenable number.

13903713 is a deficient number, since it is larger than the sum of its proper divisors (6365107).

13903713 is a wasteful number, since it uses less digits than its factorization.

13903713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288 (or 14285 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13903713 is about 3728.7682952954. The cubic root of 13903713 is about 240.4604182478.

The spelling of 13903713 in words is "thirteen million, nine hundred three thousand, seven hundred thirteen".