13259823 has 4 divisors (see below), whose sum is σ = 17679768. Its totient is φ = 8839880.

The previous prime is 13259821. The next prime is 13259833. The reversal of 13259823 is 32895231.

13259823 is digitally balanced in base 2 and base 4, because in such bases 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 13259823 - 2¹ = 13259821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259821) 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, 2209968 + ... + 2209973.

It is an arithmetic number, because the mean of its divisors is an integer number (4419942).

Almost surely, 2^13259823 is an apocalyptic number.

13259823 is a deficient number, since it is larger than the sum of its proper divisors (4419945).

13259823 is an equidigital number, since it uses as much as digits as its factorization.

13259823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419944.

The product of its digits is 12960, while the sum is 33.

The square root of 13259823 is about 3641.4039874752. The cubic root of 13259823 is about 236.6896362903.

The spelling of 13259823 in words is "thirteen million, two hundred fifty-nine thousand, eight hundred twenty-three".