13201536 has 64 divisors (see below), whose sum is σ = 36230400. Its totient is φ = 4254720.

The previous prime is 13201511. The next prime is 13201541. The reversal of 13201536 is 63510231.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11350 + ... + 12458.

It is an arithmetic number, because the mean of its divisors is an integer number (566100).

Almost surely, 2^13201536 is an apocalyptic number.

13201536 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 13201536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18115200).

13201536 is an abundant number, since it is smaller than the sum of its proper divisors (23028864).

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

13201536 is a wasteful number, since it uses less digits than its factorization.

13201536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13201536 is about 3633.3918038109. The cubic root of 13201536 is about 236.3423165995.

Adding to 13201536 its reverse (63510231), we get a palindrome (76711767).

The spelling of 13201536 in words is "thirteen million, two hundred one thousand, five hundred thirty-six".