11287799 has 2 divisors, whose sum is σ = 11287800. Its totient is φ = 11287798.

The previous prime is 11287769. The next prime is 11287807. The reversal of 11287799 is 99778211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11287799 - 2¹² = 11283703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11287709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643899 + 5643900.

It is an arithmetic number, because the mean of its divisors is an integer number (5643900).

Almost surely, 2^11287799 is an apocalyptic number.

11287799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287799 is an equidigital number, since it uses as much as digits as its factorization.

11287799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 44.

The square root of 11287799 is about 3359.7319833582. The cubic root of 11287799 is about 224.3209088192.

The spelling of 11287799 in words is "eleven million, two hundred eighty-seven thousand, seven hundred ninety-nine".