12740340632 has 16 divisors (see below), whose sum is σ = 23921373600. Its totient is φ = 6361307680.

The previous prime is 12740340629. The next prime is 12740340671. The reversal of 12740340632 is 23604304721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101719 + ... + 1113222.

It is an arithmetic number, because the mean of its divisors is an integer number (1495085850).

Almost surely, 2^12740340632 is an apocalyptic number.

It is an amenable number.

12740340632 is a deficient number, since it is larger than the sum of its proper divisors (11181032968).

12740340632 is a wasteful number, since it uses less digits than its factorization.

12740340632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215666 (or 2215662 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 12740340632 in words is "twelve billion, seven hundred forty million, three hundred forty thousand, six hundred thirty-two".