12387893 has 8 divisors (see below), whose sum is σ = 14243712. Its totient is φ = 10553616.

The previous prime is 12387887. The next prime is 12387937. The reversal of 12387893 is 39878321.

12387893 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 12387893 - 2⁴ = 12387877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12387893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387853) 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, 4130 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (1780464).

Almost surely, 2^12387893 is an apocalyptic number.

It is an amenable number.

12387893 is a deficient number, since it is larger than the sum of its proper divisors (1855819).

12387893 is a wasteful number, since it uses less digits than its factorization.

12387893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771.

The product of its digits is 72576, while the sum is 41.

The square root of 12387893 is about 3519.6438740304. The cubic root of 12387893 is about 231.3835510041.

The spelling of 12387893 in words is "twelve million, three hundred eighty-seven thousand, eight hundred ninety-three".