11898287 has 2 divisors, whose sum is σ = 11898288. Its totient is φ = 11898286.

The previous prime is 11898281. The next prime is 11898361. The reversal of 11898287 is 78289811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11898287 - 2⁶ = 11898223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11898281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5949143 + 5949144.

It is an arithmetic number, because the mean of its divisors is an integer number (5949144).

Almost surely, 2^11898287 is an apocalyptic number.

11898287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11898287 is an equidigital number, since it uses as much as digits as its factorization.

11898287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 44.

The square root of 11898287 is about 3449.3893662502. The cubic root of 11898287 is about 228.2941660608.

The spelling of 11898287 in words is "eleven million, eight hundred ninety-eight thousand, two hundred eighty-seven".