12937309247 has 16 divisors (see below), whose sum is σ = 14425574400. Its totient is φ = 11530408320.

The previous prime is 12937309241. The next prime is 12937309249. The reversal of 12937309247 is 74290373921.

It is a cyclic number.

It is not a de Polignac number, because 12937309247 - 2¹² = 12937305151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937309241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870872 + ... + 885602.

It is an arithmetic number, because the mean of its divisors is an integer number (901598400).

Almost surely, 2^12937309247 is an apocalyptic number.

12937309247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12937309247 is a deficient number, since it is larger than the sum of its proper divisors (1488265153).

12937309247 is a wasteful number, since it uses less digits than its factorization.

12937309247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 12937309247 in words is "twelve billion, nine hundred thirty-seven million, three hundred nine thousand, two hundred forty-seven".