13023655 has 4 divisors (see below), whose sum is σ = 15628392. Its totient is φ = 10418920.

The previous prime is 13023641. The next prime is 13023677. The reversal of 13023655 is 55632031.

It is a happy number.

13023655 is digitally balanced in base 3, 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 not a de Polignac number, because 13023655 - 2⁵ = 13023623 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1302361 + ... + 1302370.

It is an arithmetic number, because the mean of its divisors is an integer number (3907098).

Almost surely, 2^13023655 is an apocalyptic number.

13023655 is a deficient number, since it is larger than the sum of its proper divisors (2604737).

13023655 is an equidigital number, since it uses as much as digits as its factorization.

13023655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604736.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13023655 is about 3608.8301428579. The cubic root of 13023655 is about 235.2759998488.

Adding to 13023655 its reverse (55632031), we get a palindrome (68655686).

The spelling of 13023655 in words is "thirteen million, twenty-three thousand, six hundred fifty-five".