12967967 has 4 divisors (see below), whose sum is σ = 12995520. Its totient is φ = 12940416.

The previous prime is 12967961. The next prime is 12967973. The reversal of 12967967 is 76976921.

12967967 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12967961) and next prime (12967973).

It is a cyclic number.

It is not a de Polignac number, because 12967967 - 2⁸ = 12967711 is a prime.

It is a super-2 number, since 2×12967967² = 336336336226178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12967961) 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, 13058 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (3248880).

Almost surely, 2^12967967 is an apocalyptic number.

12967967 is a deficient number, since it is larger than the sum of its proper divisors (27553).

12967967 is an equidigital number, since it uses as much as digits as its factorization.

12967967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552.

The product of its digits is 285768, while the sum is 47.

The square root of 12967967 is about 3601.1063577740. The cubic root of 12967967 is about 234.9401809416.

The spelling of 12967967 in words is "twelve million, nine hundred sixty-seven thousand, nine hundred sixty-seven".