12992797 has 2 divisors, whose sum is σ = 12992798. Its totient is φ = 12992796.

The previous prime is 12992761. The next prime is 12992807. The reversal of 12992797 is 79729921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 6081156 = 2629^2 + 2466^2 .

It is an emirp because it is prime and its reverse (79729921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12992797 - 2¹¹ = 12990749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12992717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496398 + 6496399.

It is an arithmetic number, because the mean of its divisors is an integer number (6496399).

Almost surely, 2^12992797 is an apocalyptic number.

It is an amenable number.

12992797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12992797 is an equidigital number, since it uses as much as digits as its factorization.

12992797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 46.

The square root of 12992797 is about 3604.5522606837. The cubic root of 12992797 is about 235.0900334059.

It can be divided in two parts, 1299 and 2797, that added together give a 12-th power (4096 = 2¹²).

The spelling of 12992797 in words is "twelve million, nine hundred ninety-two thousand, seven hundred ninety-seven".