13903937 has 8 divisors (see below), whose sum is σ = 14561856. Its totient is φ = 13250512.

The previous prime is 13903889. The next prime is 13903949. The reversal of 13903937 is 73930931.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13903937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13903897 and 13903906.

It is not an unprimeable number, because it can be changed into a prime (13903987) 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, 6338 + ... + 8244.

It is an arithmetic number, because the mean of its divisors is an integer number (1820232).

Almost surely, 2^13903937 is an apocalyptic number.

It is an amenable number.

13903937 is a deficient number, since it is larger than the sum of its proper divisors (657919).

13903937 is a wasteful number, since it uses less digits than its factorization.

13903937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 13903937 is about 3728.7983319027. The cubic root of 13903937 is about 240.4617095778.

The spelling of 13903937 in words is "thirteen million, nine hundred three thousand, nine hundred thirty-seven".