12887967 has 8 divisors (see below), whose sum is σ = 17204400. Its totient is φ = 8581760.

The previous prime is 12887933. The next prime is 12887993. The reversal of 12887967 is 76978821.

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 12887967 - 2¹⁴ = 12871583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (2150550).

Almost surely, 2^12887967 is an apocalyptic number.

12887967 is a deficient number, since it is larger than the sum of its proper divisors (4316433).

12887967 is a wasteful number, since it uses less digits than its factorization.

12887967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its digits is 338688, while the sum is 48.

The square root of 12887967 is about 3589.9814762753. The cubic root of 12887967 is about 234.4560650426.

The spelling of 12887967 in words is "twelve million, eight hundred eighty-seven thousand, nine hundred sixty-seven".