11928967 has 2 divisors, whose sum is σ = 11928968. Its totient is φ = 11928966.

The previous prime is 11928953. The next prime is 11928997. The reversal of 11928967 is 76982911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11928967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11928907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964483 + 5964484.

It is an arithmetic number, because the mean of its divisors is an integer number (5964484).

Almost surely, 2^11928967 is an apocalyptic number.

11928967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11928967 is an equidigital number, since it uses as much as digits as its factorization.

11928967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 11928967 is about 3453.8336671010. The cubic root of 11928967 is about 228.4902181922.

The spelling of 11928967 in words is "eleven million, nine hundred twenty-eight thousand, nine hundred sixty-seven".