12699 has 12 divisors (see below), whose sum is σ = 19656. Its totient is φ = 7872.

The previous prime is 12697. The next prime is 12703. The reversal of 12699 is 99621.

It is a happy number.

12699 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12699 - 2¹ = 12697 is a prime.

It is a super-2 number, since 2×12699² = 322529202, which contains 22 as substring.

12699 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112 + ... + 194.

It is an arithmetic number, because the mean of its divisors is an integer number (1638).

2¹²⁶⁹⁹ is an apocalyptic number.

12699 is a deficient number, since it is larger than the sum of its proper divisors (6957).

12699 is a wasteful number, since it uses less digits than its factorization.

12699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 103 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 12699 is about 112.6898398260. The cubic root of 12699 is about 23.3304531592.

It can be divided in two parts, 126 and 99, that added together give a square (225 = 15²).

The spelling of 12699 in words is "twelve thousand, six hundred ninety-nine".