11487799 has 8 divisors (see below), whose sum is σ = 12510000. Its totient is φ = 10507392.

The previous prime is 11487793. The next prime is 11487809. The reversal of 11487799 is 99778411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11487799 - 2¹⁷ = 11356727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9874 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (1563750).

Almost surely, 2^11487799 is an apocalyptic number.

11487799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11487799 is a deficient number, since it is larger than the sum of its proper divisors (1022201).

11487799 is a wasteful number, since it uses less digits than its factorization.

11487799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20897.

The product of its digits is 127008, while the sum is 46.

The square root of 11487799 is about 3389.3655748532. The cubic root of 11487799 is about 225.6380179105.

The spelling of 11487799 in words is "eleven million, four hundred eighty-seven thousand, seven hundred ninety-nine".