12748431580 has 36 divisors (see below), whose sum is σ = 28439161128. Its totient is φ = 4799407360.

The previous prime is 12748431571. The next prime is 12748431589. The reversal of 12748431580 is 8513484721.

It is an interprime number because it is at equal distance from previous prime (12748431571) and next prime (12748431589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12748431589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097026 + ... + 1108585.

It is an arithmetic number, because the mean of its divisors is an integer number (789976698).

Almost surely, 2^12748431580 is an apocalyptic number.

12748431580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12748431580 is an abundant number, since it is smaller than the sum of its proper divisors (15690729548).

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

12748431580 is a wasteful number, since it uses less digits than its factorization.

12748431580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205654 (or 2205635 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 12748431580 in words is "twelve billion, seven hundred forty-eight million, four hundred thirty-one thousand, five hundred eighty".