13903717 has 8 divisors (see below), whose sum is σ = 14556672. Its totient is φ = 13263600.

The previous prime is 13903709. The next prime is 13903727. The reversal of 13903717 is 71730931.

13903717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13903717 - 2³ = 13903709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13903727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (1819584).

Almost surely, 2^13903717 is an apocalyptic number.

It is an amenable number.

13903717 is a deficient number, since it is larger than the sum of its proper divisors (652955).

13903717 is an equidigital number, since it uses as much as digits as its factorization.

13903717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13903717 is about 3728.7688316655. The cubic root of 13903717 is about 240.4604413074.

The spelling of 13903717 in words is "thirteen million, nine hundred three thousand, seven hundred seventeen".