12988967 has 8 divisors (see below), whose sum is σ = 13575936. Its totient is φ = 12415032.

The previous prime is 12988957. The next prime is 12989017. The reversal of 12988967 is 76988921.

12988967 = T₄₇₈ + T₄₇₉ + ... + T₅₇₁.

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

It is a cyclic number.

It is not a de Polignac number, because 12988967 - 2⁸ = 12988711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (1696992).

Almost surely, 2^12988967 is an apocalyptic number.

12988967 is a deficient number, since it is larger than the sum of its proper divisors (586969).

12988967 is an equidigital number, since it uses as much as digits as its factorization.

12988967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517.

The product of its digits is 435456, while the sum is 50.

The square root of 12988967 is about 3604.0209488847. The cubic root of 12988967 is about 235.0669312898.

The spelling of 12988967 in words is "twelve million, nine hundred eighty-eight thousand, nine hundred sixty-seven".