12549590680 has 32 divisors (see below), whose sum is σ = 30803541840. Its totient is φ = 4563487360.

The previous prime is 12549590653. The next prime is 12549590737. The reversal of 12549590680 is 8609594521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14260459 + ... + 14261338.

Almost surely, 2^12549590680 is an apocalyptic number.

12549590680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12549590680 is an abundant number, since it is smaller than the sum of its proper divisors (18253951160).

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

12549590680 is a wasteful number, since it uses less digits than its factorization.

12549590680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521819 (or 28521815 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 12549590680 in words is "twelve billion, five hundred forty-nine million, five hundred ninety thousand, six hundred eighty".