12622597 has 4 divisors (see below), whose sum is σ = 13593580. Its totient is φ = 11651616.

The previous prime is 12622591. The next prime is 12622601. The reversal of 12622597 is 79522621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79522621 = 1277 ⋅62273.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 10458756 = 1471^2 + 3234^2 .

It is a cyclic number.

It is not a de Polignac number, because 12622597 - 2¹¹ = 12620549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485472 + ... + 485497.

It is an arithmetic number, because the mean of its divisors is an integer number (3398395).

Almost surely, 2^12622597 is an apocalyptic number.

It is an amenable number.

12622597 is a deficient number, since it is larger than the sum of its proper divisors (970983).

12622597 is an equidigital number, since it uses as much as digits as its factorization.

12622597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970982.

The product of its digits is 15120, while the sum is 34.

The square root of 12622597 is about 3552.8294358159. The cubic root of 12622597 is about 232.8357011276.

The spelling of 12622597 in words is "twelve million, six hundred twenty-two thousand, five hundred ninety-seven".