12757880652 has 24 divisors (see below), whose sum is σ = 32474605632. Its totient is φ = 3866024400.

The previous prime is 12757880633. The next prime is 12757880659. The reversal of 12757880652 is 25608875721.

It is a junction number, because it is equal to n+sod(n) for n = 12757880595 and 12757880604.

It is not an unprimeable number, because it can be changed into a prime (12757880659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48325174 + ... + 48325437.

It is an arithmetic number, because the mean of its divisors is an integer number (1353108568).

Almost surely, 2^12757880652 is an apocalyptic number.

12757880652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12757880652 is an abundant number, since it is smaller than the sum of its proper divisors (19716724980).

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

12757880652 is a wasteful number, since it uses less digits than its factorization.

12757880652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96650629 (or 96650627 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 12757880652 in words is "twelve billion, seven hundred fifty-seven million, eight hundred eighty thousand, six hundred fifty-two".