12731295 has 16 divisors (see below), whose sum is σ = 20465280. Its totient is φ = 6758304.

The previous prime is 12731281. The next prime is 12731339. The reversal of 12731295 is 59213721.

12731295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12731295 - 2⁸ = 12731039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1536 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1279080).

Almost surely, 2^12731295 is an apocalyptic number.

12731295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12731295 is a deficient number, since it is larger than the sum of its proper divisors (7733985).

12731295 is a wasteful number, since it uses less digits than its factorization.

12731295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its digits is 3780, while the sum is 30.

The square root of 12731295 is about 3568.0940290301. The cubic root of 12731295 is about 233.5021374870.

The spelling of 12731295 in words is "twelve million, seven hundred thirty-one thousand, two hundred ninety-five".