12929897 has 2 divisors, whose sum is σ = 12929898. Its totient is φ = 12929896.

The previous prime is 12929879. The next prime is 12929941. The reversal of 12929897 is 79892921.

It is a happy number.

12929897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12929879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9916201 + 3013696 = 3149^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 12929897 - 2¹⁶ = 12864361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12929857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464948 + 6464949.

It is an arithmetic number, because the mean of its divisors is an integer number (6464949).

Almost surely, 2^12929897 is an apocalyptic number.

It is an amenable number.

12929897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12929897 is an equidigital number, since it uses as much as digits as its factorization.

12929897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 47.

The square root of 12929897 is about 3595.8165971028. The cubic root of 12929897 is about 234.7100513346.

The spelling of 12929897 in words is "twelve million, nine hundred twenty-nine thousand, eight hundred ninety-seven".