12885393 has 4 divisors (see below), whose sum is σ = 17180528. Its totient is φ = 8590260.

The previous prime is 12885349. The next prime is 12885409. The reversal of 12885393 is 39358821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39358821 = 3 ⋅13119607.

It is not a de Polignac number, because 12885393 - 2¹⁰ = 12884369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12885343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147563 + ... + 2147568.

It is an arithmetic number, because the mean of its divisors is an integer number (4295132).

Almost surely, 2^12885393 is an apocalyptic number.

It is an amenable number.

12885393 is a deficient number, since it is larger than the sum of its proper divisors (4295135).

12885393 is an equidigital number, since it uses as much as digits as its factorization.

12885393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295134.

The product of its digits is 51840, while the sum is 39.

The square root of 12885393 is about 3589.6229607021. The cubic root of 12885393 is about 234.4404553893.

The spelling of 12885393 in words is "twelve million, eight hundred eighty-five thousand, three hundred ninety-three".