1307347732 has 12 divisors (see below), whose sum is σ = 2303010976. Its totient is φ = 649344600.

The previous prime is 1307347711. The next prime is 1307347739. The reversal of 1307347732 is 2377437031.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1307347691 and 1307347700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307347739) 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, 1081638 + ... + 1082845.

Almost surely, 2^1307347732 is an apocalyptic number.

It is an amenable number.

1307347732 is a deficient number, since it is larger than the sum of its proper divisors (995663244).

1307347732 is a wasteful number, since it uses less digits than its factorization.

1307347732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164638 (or 2164636 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 1307347732 is about 36157.2638898465. The cubic root of 1307347732 is about 1093.4452423209.

The spelling of 1307347732 in words is "one billion, three hundred seven million, three hundred forty-seven thousand, seven hundred thirty-two".