12959929 has 4 divisors (see below), whose sum is σ = 12969076. Its totient is φ = 12950784.

The previous prime is 12959927. The next prime is 12959939. The reversal of 12959929 is 92995921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92995921 = 2749 ⋅33829.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 11888704 = 1035^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 12959929 - 2¹ = 12959927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12959927) 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, 1944 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (3242269).

Almost surely, 2^12959929 is an apocalyptic number.

It is an amenable number.

12959929 is a deficient number, since it is larger than the sum of its proper divisors (9147).

12959929 is an equidigital number, since it uses as much as digits as its factorization.

12959929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146.

The product of its digits is 131220, while the sum is 46.

The square root of 12959929 is about 3599.9901388754. The cubic root of 12959929 is about 234.8916295255.

The spelling of 12959929 in words is "twelve million, nine hundred fifty-nine thousand, nine hundred twenty-nine".