13315536 has 80 divisors (see below), whose sum is σ = 41177920. Its totient is φ = 4095360.

The previous prime is 13315501. The next prime is 13315541. The reversal of 13315536 is 63551331.

13315536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4431 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (514724).

Almost surely, 2^13315536 is an apocalyptic number.

13315536 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 13315536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20588960).

13315536 is an abundant number, since it is smaller than the sum of its proper divisors (27862384).

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

13315536 is a wasteful number, since it uses less digits than its factorization.

13315536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2389 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 13315536 is about 3649.0459026984. The cubic root of 13315536 is about 237.0206679620.

Adding to 13315536 its reverse (63551331), we get a palindrome (76866867).

The spelling of 13315536 in words is "thirteen million, three hundred fifteen thousand, five hundred thirty-six".