13023895 has 4 divisors (see below), whose sum is σ = 15628680. Its totient is φ = 10419112.

The previous prime is 13023893. The next prime is 13023919. The reversal of 13023895 is 59832031.

It is a happy number.

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 13023895 - 2¹ = 13023893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023893) 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, 1302385 + ... + 1302394.

It is an arithmetic number, because the mean of its divisors is an integer number (3907170).

Almost surely, 2^13023895 is an apocalyptic number.

13023895 is a deficient number, since it is larger than the sum of its proper divisors (2604785).

13023895 is an equidigital number, since it uses as much as digits as its factorization.

13023895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604784.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13023895 is about 3608.8633944775. The cubic root of 13023895 is about 235.2774450625.

It can be divided in two parts, 130 and 23895, that added together give a square (24025 = 155²).

The spelling of 13023895 in words is "thirteen million, twenty-three thousand, eight hundred ninety-five".