13387158 has 12 divisors (see below), whose sum is σ = 29005548. Its totient is φ = 4462380.

The previous prime is 13387141. The next prime is 13387169. The reversal of 13387158 is 85178331.

It is a Curzon number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 371848 + ... + 371883.

It is an arithmetic number, because the mean of its divisors is an integer number (2417129).

Almost surely, 2^13387158 is an apocalyptic number.

13387158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13387158 is an abundant number, since it is smaller than the sum of its proper divisors (15618390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13387158 is a wasteful number, since it uses less digits than its factorization.

13387158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743739 (or 743736 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 13387158 is about 3658.8465395531. The cubic root of 13387158 is about 237.4448728931. Note that the first 3 decimals are identical.

The spelling of 13387158 in words is "thirteen million, three hundred eighty-seven thousand, one hundred fifty-eight".