12938867 has 4 divisors (see below), whose sum is σ = 13619880. Its totient is φ = 12257856.

The previous prime is 12938851. The next prime is 12938869. The reversal of 12938867 is 76883921.

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 12938867 - 2⁴ = 12938851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12938869) 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, 340478 + ... + 340515.

It is an arithmetic number, because the mean of its divisors is an integer number (3404970).

Almost surely, 2^12938867 is an apocalyptic number.

12938867 is a deficient number, since it is larger than the sum of its proper divisors (681013).

12938867 is an equidigital number, since it uses as much as digits as its factorization.

12938867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681012.

The product of its digits is 145152, while the sum is 44.

The square root of 12938867 is about 3597.0636636012. The cubic root of 12938867 is about 234.7643147855.

The spelling of 12938867 in words is "twelve million, nine hundred thirty-eight thousand, eight hundred sixty-seven".