13201603536 has 80 divisors (see below), whose sum is σ = 37622681280. Its totient is φ = 3955522560.

The previous prime is 13201603501. The next prime is 13201603537. The reversal of 13201603536 is 63530610231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201603537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93475 + ... + 187458.

It is an arithmetic number, because the mean of its divisors is an integer number (470283516).

Almost surely, 2^13201603536 is an apocalyptic number.

13201603536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13201603536 is an abundant number, since it is smaller than the sum of its proper divisors (24421077744).

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

13201603536 is a wasteful number, since it uses less digits than its factorization.

13201603536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281044 (or 281038 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 13201603536 in words is "thirteen billion, two hundred one million, six hundred three thousand, five hundred thirty-six".