12867394 has 8 divisors (see below), whose sum is σ = 19413180. Its totient is φ = 6396336.

The previous prime is 12867391. The next prime is 12867403. The reversal of 12867394 is 49376821.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 2544025 = 3213^2 + 1595^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12867391) 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, 18249 + ... + 18940.

Almost surely, 2^12867394 is an apocalyptic number.

12867394 is a deficient number, since it is larger than the sum of its proper divisors (6545786).

12867394 is a wasteful number, since it uses less digits than its factorization.

12867394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37364.

The product of its digits is 72576, while the sum is 40.

The square root of 12867394 is about 3587.1149967627. The cubic root of 12867394 is about 234.3312449045.

The spelling of 12867394 in words is "twelve million, eight hundred sixty-seven thousand, three hundred ninety-four".