13187950 has 12 divisors (see below), whose sum is σ = 24529680. Its totient is φ = 5275160.

The previous prime is 13187939. The next prime is 13187969. The reversal of 13187950 is 5978131.

It is a happy 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, 131830 + ... + 131929.

It is an arithmetic number, because the mean of its divisors is an integer number (2044140).

Almost surely, 2^13187950 is an apocalyptic number.

13187950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13187950 is a deficient number, since it is larger than the sum of its proper divisors (11341730).

13187950 is a wasteful number, since it uses less digits than its factorization.

13187950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263771 (or 263766 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13187950 is about 3631.5217196101. The cubic root of 13187950 is about 236.2612136928.

The spelling of 13187950 in words is "thirteen million, one hundred eighty-seven thousand, nine hundred fifty".