12687059 has 8 divisors (see below), whose sum is σ = 15817728. Its totient is φ = 9885960.

The previous prime is 12687047. The next prime is 12687067. The reversal of 12687059 is 95078621.

12687059 is digitally balanced in base 2, 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 not a de Polignac number, because 12687059 - 2¹² = 12682963 is a prime.

It is a super-2 number, since 2×12687059² = 321922932138962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12687019) 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, 82307 + ... + 82460.

It is an arithmetic number, because the mean of its divisors is an integer number (1977216).

Almost surely, 2^12687059 is an apocalyptic number.

12687059 is a deficient number, since it is larger than the sum of its proper divisors (3130669).

12687059 is a wasteful number, since it uses less digits than its factorization.

12687059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164785.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12687059 is about 3561.8898073916. The cubic root of 12687059 is about 233.2313824450.

The spelling of 12687059 in words is "twelve million, six hundred eighty-seven thousand, fifty-nine".