12578967 has 12 divisors (see below), whose sum is σ = 18513144. Its totient is φ = 8227440.

The previous prime is 12578959. The next prime is 12578983. The reversal of 12578967 is 76987521.

12578967 is a `hidden beast` number, since 12 + 578 + 9 + 67 = 666.

It is not a de Polignac number, because 12578967 - 2³ = 12578959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12709 + ... + 13662.

It is an arithmetic number, because the mean of its divisors is an integer number (1542762).

Almost surely, 2^12578967 is an apocalyptic number.

12578967 is a deficient number, since it is larger than the sum of its proper divisors (5934177).

12578967 is a wasteful number, since it uses less digits than its factorization.

12578967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430 (or 26427 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 12578967 is about 3546.6839441935. The cubic root of 12578967 is about 232.5671259527.

The spelling of 12578967 in words is "twelve million, five hundred seventy-eight thousand, nine hundred sixty-seven".