13320142 has 16 divisors (see below), whose sum is σ = 22500864. Its totient is φ = 5859000.

The previous prime is 13320113. The next prime is 13320157. The reversal of 13320142 is 24102331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9084 + ... + 10447.

It is an arithmetic number, because the mean of its divisors is an integer number (1406304).

Almost surely, 2^13320142 is an apocalyptic number.

13320142 is a deficient number, since it is larger than the sum of its proper divisors (9180722).

13320142 is a wasteful number, since it uses less digits than its factorization.

13320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13320142 is about 3649.6769720072. The cubic root of 13320142 is about 237.0479942207.

Adding to 13320142 its reverse (24102331), we get a palindrome (37422473).

The spelling of 13320142 in words is "thirteen million, three hundred twenty thousand, one hundred forty-two".