13236020 has 24 divisors (see below), whose sum is σ = 31766784. Its totient is φ = 4538016.

The previous prime is 13236019. The next prime is 13236023. The reversal of 13236020 is 2063231.

It is a self number, because there is not a number n which added to its sum of digits gives 13236020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236023) 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, 47132 + ... + 47411.

It is an arithmetic number, because the mean of its divisors is an integer number (1323616).

Almost surely, 2^13236020 is an apocalyptic number.

13236020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13236020 is an abundant number, since it is smaller than the sum of its proper divisors (18530764).

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

13236020 is a wasteful number, since it uses less digits than its factorization.

13236020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94559 (or 94557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13236020 is about 3638.1341371643. The cubic root of 13236020 is about 236.5479225341.

Adding to 13236020 its reverse (2063231), we get a palindrome (15299251).

The spelling of 13236020 in words is "thirteen million, two hundred thirty-six thousand, twenty".