12496687 has 4 divisors (see below), whose sum is σ = 14281936. Its totient is φ = 10711440.

The previous prime is 12496667. The next prime is 12496691. The reversal of 12496687 is 78669421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12496687 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 (12496657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892614 + ... + 892627.

It is an arithmetic number, because the mean of its divisors is an integer number (3570484).

Almost surely, 2^12496687 is an apocalyptic number.

12496687 is a deficient number, since it is larger than the sum of its proper divisors (1785249).

12496687 is an equidigital number, since it uses as much as digits as its factorization.

12496687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785248.

The product of its digits is 145152, while the sum is 43.

The square root of 12496687 is about 3535.0653459307. The cubic root of 12496687 is about 232.0589364239.

The spelling of 12496687 in words is "twelve million, four hundred ninety-six thousand, six hundred eighty-seven".