12967487 has 8 divisors (see below), whose sum is σ = 14026320. Its totient is φ = 11917440.

The previous prime is 12967483. The next prime is 12967523. The reversal of 12967487 is 78476921.

12967487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12967487 - 2² = 12967483 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 (12967483) 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, 1064 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (1753290).

Almost surely, 2^12967487 is an apocalyptic number.

12967487 is a deficient number, since it is larger than the sum of its proper divisors (1058833).

12967487 is a wasteful number, since it uses less digits than its factorization.

12967487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its digits is 169344, while the sum is 44.

The square root of 12967487 is about 3601.0397109724. The cubic root of 12967487 is about 234.9372821917.

The spelling of 12967487 in words is "twelve million, nine hundred sixty-seven thousand, four hundred eighty-seven".