12916829 has 4 divisors (see below), whose sum is σ = 12974976. Its totient is φ = 12858684.

The previous prime is 12916807. The next prime is 12916831. The reversal of 12916829 is 92861921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92861921 = 9419 ⋅9859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12916829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12916792 and 12916801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12916859) 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 3 ways as a sum of consecutive naturals, for example, 28739 + ... + 29184.

It is an arithmetic number, because the mean of its divisors is an integer number (3243744).

Almost surely, 2^12916829 is an apocalyptic number.

It is an amenable number.

12916829 is a deficient number, since it is larger than the sum of its proper divisors (58147).

12916829 is an equidigital number, since it uses as much as digits as its factorization.

12916829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58146.

The product of its digits is 15552, while the sum is 38.

The square root of 12916829 is about 3593.9990261546. Note that the first 3 decimals coincide. The cubic root of 12916829 is about 234.6309523583.

The spelling of 12916829 in words is "twelve million, nine hundred sixteen thousand, eight hundred twenty-nine".