13173442 has 8 divisors (see below), whose sum is σ = 20180736. Its totient is φ = 6446532.

The previous prime is 13173439. The next prime is 13173449. The reversal of 13173442 is 24437131.

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

It is not an unprimeable number, because it can be changed into a prime (13173449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69978 + ... + 70165.

It is an arithmetic number, because the mean of its divisors is an integer number (2522592).

Almost surely, 2^13173442 is an apocalyptic number.

13173442 is a deficient number, since it is larger than the sum of its proper divisors (7007294).

13173442 is a wasteful number, since it uses less digits than its factorization.

13173442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140192.

The product of its digits is 2016, while the sum is 25.

The square root of 13173442 is about 3629.5236602067. The cubic root of 13173442 is about 236.1745452978.

The spelling of 13173442 in words is "thirteen million, one hundred seventy-three thousand, four hundred forty-two".