12931727 has 8 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 12193720.

The previous prime is 12931669. The next prime is 12931739. The reversal of 12931727 is 72713921.

12931727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12931727 - 2¹² = 12927631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12931693 and 12931702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2327 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^12931727 is an apocalyptic number.

12931727 is a deficient number, since it is larger than the sum of its proper divisors (754033).

12931727 is an equidigital number, since it uses as much as digits as its factorization.

12931727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013.

The product of its digits is 5292, while the sum is 32.

The square root of 12931727 is about 3596.0710504660. The cubic root of 12931727 is about 234.7211238418.

The spelling of 12931727 in words is "twelve million, nine hundred thirty-one thousand, seven hundred twenty-seven".