13120442 has 8 divisors (see below), whose sum is σ = 20536416. Its totient is φ = 6274972.

The previous prime is 13120427. The next prime is 13120483. The reversal of 13120442 is 24402131.

13120442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13120442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142568 + ... + 142659.

It is an arithmetic number, because the mean of its divisors is an integer number (2567052).

Almost surely, 2^13120442 is an apocalyptic number.

13120442 is a deficient number, since it is larger than the sum of its proper divisors (7415974).

13120442 is a wasteful number, since it uses less digits than its factorization.

13120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285252.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13120442 is about 3622.2150681593. The cubic root of 13120442 is about 235.8573901411.

Adding to 13120442 its reverse (24402131), we get a palindrome (37522573).

The spelling of 13120442 in words is "thirteen million, one hundred twenty thousand, four hundred forty-two".