12729699 has 12 divisors (see below), whose sum is σ = 18734976. Its totient is φ = 8326032.

The previous prime is 12729697. The next prime is 12729709. The reversal of 12729699 is 99692721.

12729699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12729699 - 2¹ = 12729697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12729697) 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, 12867 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (1561248).

Almost surely, 2^12729699 is an apocalyptic number.

12729699 is a deficient number, since it is larger than the sum of its proper divisors (6005277).

12729699 is a wasteful number, since it uses less digits than its factorization.

12729699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746 (or 26743 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 12729699 is about 3567.8703732058. The cubic root of 12729699 is about 233.4923797735.

It can be divided in two parts, 127 and 29699, that multiplied together give a palindrome (3771773).

The spelling of 12729699 in words is "twelve million, seven hundred twenty-nine thousand, six hundred ninety-nine".