12923385 has 8 divisors (see below), whose sum is σ = 20677440. Its totient is φ = 6892464.

The previous prime is 12923381. The next prime is 12923387. The reversal of 12923385 is 58332921.

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

It is not a de Polignac number, because 12923385 - 2² = 12923381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12923381) 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 7 ways as a sum of consecutive naturals, for example, 430765 + ... + 430794.

It is an arithmetic number, because the mean of its divisors is an integer number (2584680).

Almost surely, 2^12923385 is an apocalyptic number.

12923385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12923385 is a deficient number, since it is larger than the sum of its proper divisors (7754055).

12923385 is an equidigital number, since it uses as much as digits as its factorization.

12923385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861567.

The product of its digits is 12960, while the sum is 33.

The square root of 12923385 is about 3594.9109863806. The cubic root of 12923385 is about 234.6706416750.

The spelling of 12923385 in words is "twelve million, nine hundred twenty-three thousand, three hundred eighty-five".