12394861 has 8 divisors (see below), whose sum is σ = 13380480. Its totient is φ = 11446512.

The previous prime is 12394849. The next prime is 12394873. The reversal of 12394861 is 16849321.

It is an interprime number because it is at equal distance from previous prime (12394849) and next prime (12394873).

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 12394861 - 2⁵ = 12394829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12394561) 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, 8625 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (1672560).

Almost surely, 2^12394861 is an apocalyptic number.

It is an amenable number.

12394861 is a deficient number, since it is larger than the sum of its proper divisors (985619).

12394861 is a wasteful number, since it uses less digits than its factorization.

12394861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635.

The product of its digits is 10368, while the sum is 34.

The square root of 12394861 is about 3520.6336077473. The cubic root of 12394861 is about 231.4269261066.

The spelling of 12394861 in words is "twelve million, three hundred ninety-four thousand, eight hundred sixty-one".