12598715536 has 45 divisors (see below), whose sum is σ = 26841360819. Its totient is φ = 5724444000.

The previous prime is 12598715533. The next prime is 12598715539. The reversal of 12598715536 is 63551789521.

It is a happy number.

The square root of 12598715536 is 112244.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (12598715533) and next prime (12598715539).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12598715533) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4937461 + ... + 4940011.

Almost surely, 2^12598715536 is an apocalyptic number.

12598715536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12598715536 is the 112244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12598715536

12598715536 is an abundant number, since it is smaller than the sum of its proper divisors (14242645283).

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

12598715536 is an frugal number, since it uses more digits than its factorization.

12598715536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 2564 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 52.

The spelling of 12598715536 in words is "twelve billion, five hundred ninety-eight million, seven hundred fifteen thousand, five hundred thirty-six".