13442874 has 8 divisors (see below), whose sum is σ = 26885760. Its totient is φ = 4480956.

The previous prime is 13442873. The next prime is 13442909. The reversal of 13442874 is 47824431.

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

13442874 is an admirable number.

It is a super-2 number, since 2×13442874² = 361421722759752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13442873) 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, 1120234 + ... + 1120245.

It is an arithmetic number, because the mean of its divisors is an integer number (3360720).

Almost surely, 2^13442874 is an apocalyptic number.

13442874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13442874 is a wasteful number, since it uses less digits than its factorization.

13442874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240484.

The product of its digits is 21504, while the sum is 33.

The square root of 13442874 is about 3666.4525088974. The cubic root of 13442874 is about 237.7738241563.

The spelling of 13442874 in words is "thirteen million, four hundred forty-two thousand, eight hundred seventy-four".