13959914 has 4 divisors (see below), whose sum is σ = 20939874. Its totient is φ = 6979956.

The previous prime is 13959887. The next prime is 13959937. The reversal of 13959914 is 41995931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 380689 = 3685^2 + 617^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3489977 + ... + 3489980.

Almost surely, 2^13959914 is an apocalyptic number.

13959914 is a deficient number, since it is larger than the sum of its proper divisors (6979960).

13959914 is an equidigital number, since it uses as much as digits as its factorization.

13959914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979959.

The product of its digits is 43740, while the sum is 41.

The square root of 13959914 is about 3736.2968297500. The cubic root of 13959914 is about 240.7839756558.

The spelling of 13959914 in words is "thirteen million, nine hundred fifty-nine thousand, nine hundred fourteen".