12823797 has 24 divisors (see below), whose sum is σ = 20767936. Its totient is φ = 6893568.

The previous prime is 12823787. The next prime is 12823799. The reversal of 12823797 is 79732821.

It is not a de Polignac number, because 12823797 - 2⁴ = 12823781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12823799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5013 + ... + 7125.

Almost surely, 2^12823797 is an apocalyptic number.

12823797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12823797 is a deficient number, since it is larger than the sum of its proper divisors (7944139).

12823797 is a wasteful number, since it uses less digits than its factorization.

12823797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2140 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 12823797 is about 3581.0329515379. The cubic root of 12823797 is about 234.0662935845.

The spelling of 12823797 in words is "twelve million, eight hundred twenty-three thousand, seven hundred ninety-seven".