13910939 has 4 divisors (see below), whose sum is σ = 15898224. Its totient is φ = 11923656.

The previous prime is 13910921. The next prime is 13910951. The reversal of 13910939 is 93901931.

It is a happy number.

13910939 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 13910939 - 2⁸ = 13910683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13910899 and 13910908.

It is not an unprimeable number, because it can be changed into a prime (13910969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993632 + ... + 993645.

It is an arithmetic number, because the mean of its divisors is an integer number (3974556).

Almost surely, 2^13910939 is an apocalyptic number.

13910939 is a deficient number, since it is larger than the sum of its proper divisors (1987285).

13910939 is an equidigital number, since it uses as much as digits as its factorization.

13910939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987284.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 13910939 is about 3729.7371221039. The cubic root of 13910939 is about 240.5020681787.

The spelling of 13910939 in words is "thirteen million, nine hundred ten thousand, nine hundred thirty-nine".