12056939 has 2 divisors, whose sum is σ = 12056940. Its totient is φ = 12056938.

The previous prime is 12056929. The next prime is 12056969. The reversal of 12056939 is 93965021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12056939 - 2²⁰ = 11008363 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12056899 and 12056908.

It is not a weakly prime, because it can be changed into another prime (12056929) 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, 6028469 + 6028470.

It is an arithmetic number, because the mean of its divisors is an integer number (6028470).

Almost surely, 2^12056939 is an apocalyptic number.

12056939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12056939 is an equidigital number, since it uses as much as digits as its factorization.

12056939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 12056939 is about 3472.3103259933. The cubic root of 12056939 is about 229.3043822090.

The spelling of 12056939 in words is "twelve million, fifty-six thousand, nine hundred thirty-nine".