13023118 has 4 divisors (see below), whose sum is σ = 19534680. Its totient is φ = 6511558.

The previous prime is 13023067. The next prime is 13023119. The reversal of 13023118 is 81132031.

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

It is a junction number, because it is equal to n+sod(n) for n = 13023095 and 13023104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255778 + ... + 3255781.

It is an arithmetic number, because the mean of its divisors is an integer number (4883670).

Almost surely, 2^13023118 is an apocalyptic number.

13023118 is a deficient number, since it is larger than the sum of its proper divisors (6511562).

13023118 is an equidigital number, since it uses as much as digits as its factorization.

13023118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511561.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13023118 is about 3608.7557412493. The cubic root of 13023118 is about 235.2727661189.

Adding to 13023118 its reverse (81132031), we get a palindrome (94155149).

The spelling of 13023118 in words is "thirteen million, twenty-three thousand, one hundred eighteen".