12150779 has 2 divisors, whose sum is σ = 12150780. Its totient is φ = 12150778.

The previous prime is 12150757. The next prime is 12150799. The reversal of 12150779 is 97705121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12150779 is a prime.

It is a Chen prime.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (12150799) 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, 6075389 + 6075390.

It is an arithmetic number, because the mean of its divisors is an integer number (6075390).

Almost surely, 2^12150779 is an apocalyptic number.

12150779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12150779 is an equidigital number, since it uses as much as digits as its factorization.

12150779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12150779 is about 3485.7967525374. The cubic root of 12150779 is about 229.8977428233.

The spelling of 12150779 in words is "twelve million, one hundred fifty thousand, seven hundred seventy-nine".