12598550772 has 12 divisors (see below), whose sum is σ = 29396618496. Its totient is φ = 4199516920.

The previous prime is 12598550743. The next prime is 12598550773. The reversal of 12598550772 is 27705589521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12598550773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524939604 + ... + 524939627.

It is an arithmetic number, because the mean of its divisors is an integer number (2449718208).

Almost surely, 2^12598550772 is an apocalyptic number.

12598550772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12598550772 is an abundant number, since it is smaller than the sum of its proper divisors (16798067724).

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

12598550772 is a wasteful number, since it uses less digits than its factorization.

12598550772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049879238 (or 1049879236 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 12598550772 in words is "twelve billion, five hundred ninety-eight million, five hundred fifty thousand, seven hundred seventy-two".