12929047 has 2 divisors, whose sum is σ = 12929048. Its totient is φ = 12929046.

The previous prime is 12929039. The next prime is 12929051. The reversal of 12929047 is 74092921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12929047 - 2³ = 12929039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12929017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464523 + 6464524.

It is an arithmetic number, because the mean of its divisors is an integer number (6464524).

Almost surely, 2^12929047 is an apocalyptic number.

12929047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12929047 is an equidigital number, since it uses as much as digits as its factorization.

12929047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 12929047 is about 3595.6984022579. The cubic root of 12929047 is about 234.7049080115.

The spelling of 12929047 in words is "twelve million, nine hundred twenty-nine thousand, forty-seven".