13381173 has 32 divisors (see below), whose sum is σ = 21705600. Its totient is φ = 8097408.

The previous prime is 13381169. The next prime is 13381183. The reversal of 13381173 is 37118331.

13381173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13381173 - 2² = 13381169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23233 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (678300).

Almost surely, 2^13381173 is an apocalyptic number.

13381173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13381173 is a deficient number, since it is larger than the sum of its proper divisors (8324427).

13381173 is a wasteful number, since it uses less digits than its factorization.

13381173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 652 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 13381173 is about 3658.0285674117. The cubic root of 13381173 is about 237.4094827728.

The spelling of 13381173 in words is "thirteen million, three hundred eighty-one thousand, one hundred seventy-three".