11898847 has 2 divisors, whose sum is σ = 11898848. Its totient is φ = 11898846.

The previous prime is 11898841. The next prime is 11898851. The reversal of 11898847 is 74889811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11898847 - 2¹¹ = 11896799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11898797 and 11898806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11898841) 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, 5949423 + 5949424.

It is an arithmetic number, because the mean of its divisors is an integer number (5949424).

Almost surely, 2^11898847 is an apocalyptic number.

11898847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11898847 is an equidigital number, since it uses as much as digits as its factorization.

11898847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 46.

The square root of 11898847 is about 3449.4705390828. The cubic root of 11898847 is about 228.2977476051.

The spelling of 11898847 in words is "eleven million, eight hundred ninety-eight thousand, eight hundred forty-seven".