13023036 has 36 divisors (see below), whose sum is σ = 35452872. Its totient is φ = 4006944.

The previous prime is 13023029. The next prime is 13023053. The reversal of 13023036 is 63032031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13446 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (984802).

Almost surely, 2^13023036 is an apocalyptic number.

It is an amenable number.

13023036 is an abundant number, since it is smaller than the sum of its proper divisors (22429836).

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

13023036 is a wasteful number, since it uses less digits than its factorization.

13023036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27850 (or 27845 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13023036 is about 3608.7443799748. The cubic root of 13023036 is about 235.2722723199.

Adding to 13023036 its reverse (63032031), we get a palindrome (76055067).

The spelling of 13023036 in words is "thirteen million, twenty-three thousand, thirty-six".