12946651 has 2 divisors, whose sum is σ = 12946652. Its totient is φ = 12946650.

The previous prime is 12946649. The next prime is 12946663. The reversal of 12946651 is 15664921.

12946651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12946651 - 2¹ = 12946649 is a prime.

Together with 12946649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12946621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473325 + 6473326.

It is an arithmetic number, because the mean of its divisors is an integer number (6473326).

Almost surely, 2^12946651 is an apocalyptic number.

12946651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946651 is an equidigital number, since it uses as much as digits as its factorization.

12946651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 12946651 is about 3598.1454945569. The cubic root of 12946651 is about 234.8113832832.

The spelling of 12946651 in words is "twelve million, nine hundred forty-six thousand, six hundred fifty-one".