12930551 has 2 divisors, whose sum is σ = 12930552. Its totient is φ = 12930550.

The previous prime is 12930529. The next prime is 12930571. The reversal of 12930551 is 15503921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12930551 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12930551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12930521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6465275 + 6465276.

It is an arithmetic number, because the mean of its divisors is an integer number (6465276).

Almost surely, 2^12930551 is an apocalyptic number.

12930551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12930551 is an equidigital number, since it uses as much as digits as its factorization.

12930551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 12930551 is about 3595.9075349625. The cubic root of 12930551 is about 234.7140085145.

The spelling of 12930551 in words is "twelve million, nine hundred thirty thousand, five hundred fifty-one".