13023136 has 48 divisors (see below), whose sum is σ = 29949696. Its totient is φ = 5458176.

The previous prime is 13023133. The next prime is 13023167. The reversal of 13023136 is 63132031.

13023136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13023133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9910 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (623952).

Almost surely, 2^13023136 is an apocalyptic number.

13023136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974848).

13023136 is an abundant number, since it is smaller than the sum of its proper divisors (16926560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023136 is a wasteful number, since it uses less digits than its factorization.

13023136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 13023136 is about 3608.7582351828. The cubic root of 13023136 is about 235.2728745135.

Adding to 13023136 its reverse (63132031), we get a palindrome (76155167).

The spelling of 13023136 in words is "thirteen million, twenty-three thousand, one hundred thirty-six".