12829697 has 4 divisors (see below), whose sum is σ = 12879876. Its totient is φ = 12779520.

The previous prime is 12829673. The next prime is 12829709. The reversal of 12829697 is 79692821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 712336 = 3481^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12829697 is a prime.

It is a super-2 number, since 2×12829697² = 329202250223618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12829097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24704 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (3219969).

Almost surely, 2^12829697 is an apocalyptic number.

It is an amenable number.

12829697 is a deficient number, since it is larger than the sum of its proper divisors (50179).

12829697 is an equidigital number, since it uses as much as digits as its factorization.

12829697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50178.

The product of its digits is 108864, while the sum is 44.

The square root of 12829697 is about 3581.8566414640. The cubic root of 12829697 is about 234.1021846547.

The spelling of 12829697 in words is "twelve million, eight hundred twenty-nine thousand, six hundred ninety-seven".