12823457 has 8 divisors (see below), whose sum is σ = 13641696. Its totient is φ = 12012352.

The previous prime is 12823453. The next prime is 12823469. The reversal of 12823457 is 75432821.

12823457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12823457 - 2² = 12823453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12823453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (1705212).

Almost surely, 2^12823457 is an apocalyptic number.

12823457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12823457 is a deficient number, since it is larger than the sum of its proper divisors (818239).

12823457 is a wasteful number, since it uses less digits than its factorization.

12823457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its digits is 13440, while the sum is 32.

The square root of 12823457 is about 3580.9854788871. The cubic root of 12823457 is about 234.0642249500.

The spelling of 12823457 in words is "twelve million, eight hundred twenty-three thousand, four hundred fifty-seven".