13020600 has 48 divisors (see below), whose sum is σ = 40365720. Its totient is φ = 3472000.

The previous prime is 13020587. The next prime is 13020607. The reversal of 13020600 is 602031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10251 + ... + 11450.

Almost surely, 2^13020600 is an apocalyptic number.

13020600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020600 is an abundant number, since it is smaller than the sum of its proper divisors (27345120).

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

13020600 is a wasteful number, since it uses less digits than its factorization.

13020600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21720 (or 21711 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13020600 is about 3608.4068506752. The cubic root of 13020600 is about 235.2576019314.

Adding to 13020600 its reverse (602031), we get a palindrome (13622631).

The spelling of 13020600 in words is "thirteen million, twenty thousand, six hundred".