13245372576 has 144 divisors (see below), whose sum is σ = 38717078400. Its totient is φ = 4293679104.

The previous prime is 13245372557. The next prime is 13245372577. The reversal of 13245372576 is 67527354231.

13245372576 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 5 + 3 + 72 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (13245372577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1520040 + ... + 1528728.

It is an arithmetic number, because the mean of its divisors is an integer number (268868600).

Almost surely, 2^13245372576 is an apocalyptic number.

13245372576 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 13245372576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19358539200).

13245372576 is an abundant number, since it is smaller than the sum of its proper divisors (25471705824).

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

13245372576 is a wasteful number, since it uses less digits than its factorization.

13245372576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851 (or 8840 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 13245372576 in words is "thirteen billion, two hundred forty-five million, three hundred seventy-two thousand, five hundred seventy-six".