13991150 has 12 divisors (see below), whose sum is σ = 26023632. Its totient is φ = 5596440.

The previous prime is 13991147. The next prime is 13991167. The reversal of 13991150 is 5119931.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139862 + ... + 139961.

It is an arithmetic number, because the mean of its divisors is an integer number (2168636).

Almost surely, 2^13991150 is an apocalyptic number.

13991150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13991150 is a deficient number, since it is larger than the sum of its proper divisors (12032482).

13991150 is a wasteful number, since it uses less digits than its factorization.

13991150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279835 (or 279830 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 13991150 is about 3740.4745688214. The cubic root of 13991150 is about 240.9634305720.

It can be divided in two parts, 13991 and 150, that added together give a palindrome (14141).

The spelling of 13991150 in words is "thirteen million, nine hundred ninety-one thousand, one hundred fifty".