13991962 has 16 divisors (see below), whose sum is σ = 21373632. Its totient is φ = 6868800.

The previous prime is 13991953. The next prime is 13991977. The reversal of 13991962 is 26919931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32098 + ... + 32530.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^13991962 is an apocalyptic number.

13991962 is a deficient number, since it is larger than the sum of its proper divisors (7381670).

13991962 is a wasteful number, since it uses less digits than its factorization.

13991962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 26244, while the sum is 40.

The square root of 13991962 is about 3740.5831096234. The cubic root of 13991962 is about 240.9680920550.

The spelling of 13991962 in words is "thirteen million, nine hundred ninety-one thousand, nine hundred sixty-two".