12678967 has 16 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 10563840.

The previous prime is 12678959. The next prime is 12678971. The reversal of 12678967 is 76987621.

It is a happy number.

It is not a de Polignac number, because 12678967 - 2³ = 12678959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12678467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48078 + ... + 48340.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^12678967 is an apocalyptic number.

12678967 is a deficient number, since it is larger than the sum of its proper divisors (2223305).

12678967 is an equidigital number, since it uses as much as digits as its factorization.

With its predecessor (12678966) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (438).

12678967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 254016, while the sum is 46.

The square root of 12678967 is about 3560.7537123480. The cubic root of 12678967 is about 233.1817857197.

The spelling of 12678967 in words is "twelve million, six hundred seventy-eight thousand, nine hundred sixty-seven".