13317742 has 4 divisors (see below), whose sum is σ = 19976616. Its totient is φ = 6658870.

The previous prime is 13317721. The next prime is 13317751. The reversal of 13317742 is 24771331.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13317742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3329434 + ... + 3329437.

It is an arithmetic number, because the mean of its divisors is an integer number (4994154).

Almost surely, 2^13317742 is an apocalyptic number.

13317742 is a deficient number, since it is larger than the sum of its proper divisors (6658874).

13317742 is an equidigital number, since it uses as much as digits as its factorization.

13317742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658873.

The product of its digits is 3528, while the sum is 28.

The square root of 13317742 is about 3649.3481609734. The cubic root of 13317742 is about 237.0337564005.

The spelling of 13317742 in words is "thirteen million, three hundred seventeen thousand, seven hundred forty-two".