13903417 has 4 divisors (see below), whose sum is σ = 15167376. Its totient is φ = 12639460.

The previous prime is 13903397. The next prime is 13903429. The reversal of 13903417 is 71430931.

13903417 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13903417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13903457) 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 3 ways as a sum of consecutive naturals, for example, 631963 + ... + 631984.

It is an arithmetic number, because the mean of its divisors is an integer number (3791844).

Almost surely, 2^13903417 is an apocalyptic number.

It is an amenable number.

13903417 is a deficient number, since it is larger than the sum of its proper divisors (1263959).

13903417 is a wasteful number, since it uses less digits than its factorization.

13903417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263958.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13903417 is about 3728.7286036932. The cubic root of 13903417 is about 240.4587118262.

The spelling of 13903417 in words is "thirteen million, nine hundred three thousand, four hundred seventeen".