12893863 has 4 divisors (see below), whose sum is σ = 12968568. Its totient is φ = 12819160.

The previous prime is 12893857. The next prime is 12893873. The reversal of 12893863 is 36839821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12893863 - 2⁵ = 12893831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37093 + ... + 37438.

It is an arithmetic number, because the mean of its divisors is an integer number (3242142).

Almost surely, 2^12893863 is an apocalyptic number.

12893863 is a deficient number, since it is larger than the sum of its proper divisors (74705).

12893863 is an equidigital number, since it uses as much as digits as its factorization.

12893863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74704.

The product of its digits is 62208, while the sum is 40.

The square root of 12893863 is about 3590.8025565325. The cubic root of 12893863 is about 234.4918126567.

The spelling of 12893863 in words is "twelve million, eight hundred ninety-three thousand, eight hundred sixty-three".