12992831 has 2 divisors, whose sum is σ = 12992832. Its totient is φ = 12992830.

The previous prime is 12992807. The next prime is 12992839. The reversal of 12992831 is 13829921.

12992831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12992831 - 2¹⁰ = 12991807 is a prime.

It is a super-2 number, since 2×12992831² = 337627314789122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12992791 and 12992800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12992839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496415 + 6496416.

It is an arithmetic number, because the mean of its divisors is an integer number (6496416).

Almost surely, 2^12992831 is an apocalyptic number.

12992831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12992831 is an equidigital number, since it uses as much as digits as its factorization.

12992831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 12992831 is about 3604.5569769391. The cubic root of 12992831 is about 235.0902384697.

The spelling of 12992831 in words is "twelve million, nine hundred ninety-two thousand, eight hundred thirty-one".