12048991 has 2 divisors, whose sum is σ = 12048992. Its totient is φ = 12048990.

The previous prime is 12048979. The next prime is 12049003. The reversal of 12048991 is 19984021.

12048991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12048979) and next prime (12049003).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12048991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12048691) 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, 6024495 + 6024496.

It is an arithmetic number, because the mean of its divisors is an integer number (6024496).

Almost surely, 2^12048991 is an apocalyptic number.

12048991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12048991 is an equidigital number, since it uses as much as digits as its factorization.

12048991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12048991 is about 3471.1656543588. The cubic root of 12048991 is about 229.2539848998.

The spelling of 12048991 in words is "twelve million, forty-eight thousand, nine hundred ninety-one".