13290023 has 4 divisors (see below), whose sum is σ = 13308888. Its totient is φ = 13271160.

The previous prime is 13290019. The next prime is 13290029. The reversal of 13290023 is 32009231.

13290023 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.

It is a cyclic number.

It is not a de Polignac number, because 13290023 - 2² = 13290019 is a prime.

It is a super-2 number, since 2×13290023² = 353249422681058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13289977 and 13290004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (3327222).

Almost surely, 2^13290023 is an apocalyptic number.

13290023 is a deficient number, since it is larger than the sum of its proper divisors (18865).

13290023 is an equidigital number, since it uses as much as digits as its factorization.

13290023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13290023 is about 3645.5483812453. The cubic root of 13290023 is about 236.8691914069.

Adding to 13290023 its reverse (32009231), we get a palindrome (45299254).

The spelling of 13290023 in words is "thirteen million, two hundred ninety thousand, twenty-three".