12992461927 has 4 divisors (see below), whose sum is σ = 13557351600. Its totient is φ = 12427572256.

The previous prime is 12992461913. The next prime is 12992461949. The reversal of 12992461927 is 72916429921.

12992461927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72916429921 = 10973 ⋅6645077.

It is a cyclic number.

It is not a de Polignac number, because 12992461927 - 2⁷ = 12992461799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992471927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282444802 + ... + 282444847.

It is an arithmetic number, because the mean of its divisors is an integer number (3389337900).

Almost surely, 2^12992461927 is an apocalyptic number.

12992461927 is a deficient number, since it is larger than the sum of its proper divisors (564889673).

12992461927 is an equidigital number, since it uses as much as digits as its factorization.

12992461927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564889672.

The product of its digits is 979776, while the sum is 52.

The spelling of 12992461927 in words is "twelve billion, nine hundred ninety-two million, four hundred sixty-one thousand, nine hundred twenty-seven".