12687099 has 8 divisors (see below), whose sum is σ = 17651712. Its totient is φ = 8090280.

The previous prime is 12687089. The next prime is 12687109. The reversal of 12687099 is 99078621.

It is an interprime number because it is at equal distance from previous prime (12687089) and next prime (12687109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12687099 - 2⁵ = 12687067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12687099.

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, 91867 + ... + 92004.

It is an arithmetic number, because the mean of its divisors is an integer number (2206464).

Almost surely, 2^12687099 is an apocalyptic number.

12687099 is a deficient number, since it is larger than the sum of its proper divisors (4964613).

12687099 is a wasteful number, since it uses less digits than its factorization.

12687099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183897.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 12687099 is about 3561.8954223840. The cubic root of 12687099 is about 233.2316275568.

The spelling of 12687099 in words is "twelve million, six hundred eighty-seven thousand, ninety-nine".