13021136 has 20 divisors (see below), whose sum is σ = 25296000. Its totient is φ = 6493152.

The previous prime is 13021117. The next prime is 13021139. The reversal of 13021136 is 63112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021139) 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 3 ways as a sum of consecutive naturals, for example, 6815 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (1264800).

Almost surely, 2^13021136 is an apocalyptic number.

13021136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13021136 is a deficient number, since it is larger than the sum of its proper divisors (12274864).

13021136 is a wasteful number, since it uses less digits than its factorization.

13021136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13021136 is about 3608.4811209150. The cubic root of 13021136 is about 235.2608300557.

Adding to 13021136 its reverse (63112031), we get a palindrome (76133167).

The spelling of 13021136 in words is "thirteen million, twenty-one thousand, one hundred thirty-six".