12623687 has 4 divisors (see below), whose sum is σ = 12748776. Its totient is φ = 12498600.

The previous prime is 12623669. The next prime is 12623713. The reversal of 12623687 is 78632621.

It is a happy number.

12623687 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12623687 - 2⁸ = 12623431 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 (12623627) 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, 62393 + ... + 62594.

It is an arithmetic number, because the mean of its divisors is an integer number (3187194).

Almost surely, 2^12623687 is an apocalyptic number.

12623687 is a deficient number, since it is larger than the sum of its proper divisors (125089).

12623687 is a wasteful number, since it uses less digits than its factorization.

12623687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125088.

The product of its digits is 24192, while the sum is 35.

The square root of 12623687 is about 3552.9828313686. The cubic root of 12623687 is about 232.8424029605.

The spelling of 12623687 in words is "twelve million, six hundred twenty-three thousand, six hundred eighty-seven".