12686029 has 8 divisors (see below), whose sum is σ = 13506048. Its totient is φ = 11874240.

The previous prime is 12686017. The next prime is 12686039. The reversal of 12686029 is 92068621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12686029 - 2¹¹ = 12683981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12685985 and 12686003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12686039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (1688256).

Almost surely, 2^12686029 is an apocalyptic number.

It is an amenable number.

12686029 is a deficient number, since it is larger than the sum of its proper divisors (820019).

12686029 is a wasteful number, since it uses less digits than its factorization.

12686029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 12686029 is about 3561.7452182884. The cubic root of 12686029 is about 233.2250706374.

The spelling of 12686029 in words is "twelve million, six hundred eighty-six thousand, twenty-nine".