13245059520 has 896 divisors, whose sum is σ = 59738849280. Its totient is φ = 2682408960.

The previous prime is 13245059479. The next prime is 13245059537. The reversal of 13245059520 is 2595054231.

It is a happy number.

13245059520 is a `hidden beast` number, since 1 + 3 + 2 + 45 + 0 + 595 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28606809 + ... + 28607271.

Almost surely, 2^13245059520 is an apocalyptic number.

13245059520 is a gapful number since it is divisible by the number (10) 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 13245059520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29869424640).

13245059520 is an abundant number, since it is smaller than the sum of its proper divisors (46493789760).

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

13245059520 is a wasteful number, since it uses less digits than its factorization.

13245059520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

It can be divided in two parts, 1324505 and 9520, that added together give a square (1334025 = 1155²).

The spelling of 13245059520 in words is "thirteen billion, two hundred forty-five million, fifty-nine thousand, five hundred twenty".