12597838 has 8 divisors (see below), whose sum is σ = 20614680. Its totient is φ = 5726280.

The previous prime is 12597821. The next prime is 12597847. The reversal of 12597838 is 83879521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12597794 and 12597803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286293 + ... + 286336.

It is an arithmetic number, because the mean of its divisors is an integer number (2576835).

Almost surely, 2^12597838 is an apocalyptic number.

12597838 is a deficient number, since it is larger than the sum of its proper divisors (8016842).

12597838 is a wasteful number, since it uses less digits than its factorization.

12597838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572642.

The product of its digits is 120960, while the sum is 43.

The square root of 12597838 is about 3549.3433195452. The cubic root of 12597838 is about 232.6833671188.

The spelling of 12597838 in words is "twelve million, five hundred ninety-seven thousand, eight hundred thirty-eight".