13381958 has 8 divisors (see below), whose sum is σ = 21253752. Its totient is φ = 6297376.

The previous prime is 13381939. The next prime is 13381993. The reversal of 13381958 is 85918331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196760 + ... + 196827.

It is an arithmetic number, because the mean of its divisors is an integer number (2656719).

Almost surely, 2^13381958 is an apocalyptic number.

13381958 is a deficient number, since it is larger than the sum of its proper divisors (7871794).

13381958 is a wasteful number, since it uses less digits than its factorization.

13381958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393606.

The product of its digits is 25920, while the sum is 38.

The square root of 13381958 is about 3658.1358640707. The cubic root of 13381958 is about 237.4141251860.

The spelling of 13381958 in words is "thirteen million, three hundred eighty-one thousand, nine hundred fifty-eight".