12929953 has 2 divisors, whose sum is σ = 12929954. Its totient is φ = 12929952.

The previous prime is 12929951. The next prime is 12929957. The reversal of 12929953 is 35992921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 1151329 = 3432^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 12929953 - 2¹ = 12929951 is a prime.

Together with 12929951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12929951) 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 as a sum of consecutive naturals, namely, 6464976 + 6464977.

It is an arithmetic number, because the mean of its divisors is an integer number (6464977).

Almost surely, 2^12929953 is an apocalyptic number.

It is an amenable number.

12929953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12929953 is an equidigital number, since it uses as much as digits as its factorization.

12929953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 40.

The square root of 12929953 is about 3595.8243839209. The cubic root of 12929953 is about 234.7103901809.

The spelling of 12929953 in words is "twelve million, nine hundred twenty-nine thousand, nine hundred fifty-three".