12534779 has 2 divisors, whose sum is σ = 12534780. Its totient is φ = 12534778.

The previous prime is 12534761. The next prime is 12534803. The reversal of 12534779 is 97743521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12534779 - 2⁸ = 12534523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12534679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267389 + 6267390.

It is an arithmetic number, because the mean of its divisors is an integer number (6267390).

Almost surely, 2^12534779 is an apocalyptic number.

12534779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12534779 is an equidigital number, since it uses as much as digits as its factorization.

12534779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 12534779 is about 3540.4489828269. The cubic root of 12534779 is about 232.2944821241.

The spelling of 12534779 in words is "twelve million, five hundred thirty-four thousand, seven hundred seventy-nine".