13023442 has 4 divisors (see below), whose sum is σ = 19535166. Its totient is φ = 6511720.

The previous prime is 13023433. The next prime is 13023457. The reversal of 13023442 is 24432031.

13023442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24432031 = 13 ⋅1879387.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 1320201 = 3421^2 + 1149^2 .

It is a super-2 number, since 2×13023442² = 339220083054728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255859 + ... + 3255862.

Almost surely, 2^13023442 is an apocalyptic number.

13023442 is a deficient number, since it is larger than the sum of its proper divisors (6511724).

13023442 is an equidigital number, since it uses as much as digits as its factorization.

13023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511723.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13023442 is about 3608.8006317889. The cubic root of 13023442 is about 235.2747172068.

Adding to 13023442 its reverse (24432031), we get a palindrome (37455473).

The spelling of 13023442 in words is "thirteen million, twenty-three thousand, four hundred forty-two".