12392562697 has 4 divisors (see below), whose sum is σ = 12792322816. Its totient is φ = 11992802580.

The previous prime is 12392562691. The next prime is 12392562703. The reversal of 12392562697 is 79626529321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79626529321 = 1571 ⋅50685251.

It is an interprime number because it is at equal distance from previous prime (12392562691) and next prime (12392562703).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12392562697 is a prime.

It is a super-2 number, since 2×12392562697² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12392562691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199880013 + ... + 199880074.

It is an arithmetic number, because the mean of its divisors is an integer number (3198080704).

Almost surely, 2^12392562697 is an apocalyptic number.

It is an amenable number.

12392562697 is a deficient number, since it is larger than the sum of its proper divisors (399760119).

12392562697 is an equidigital number, since it uses as much as digits as its factorization.

12392562697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399760118.

The product of its digits is 2449440, while the sum is 52.

The spelling of 12392562697 in words is "twelve billion, three hundred ninety-two million, five hundred sixty-two thousand, six hundred ninety-seven".