11287982 has 8 divisors (see below), whose sum is σ = 16961952. Its totient is φ = 5634000.

The previous prime is 11287981. The next prime is 11288003. The reversal of 11287982 is 28978211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494 + ... + 5897.

It is an arithmetic number, because the mean of its divisors is an integer number (2120244).

Almost surely, 2^11287982 is an apocalyptic number.

11287982 is a deficient number, since it is larger than the sum of its proper divisors (5673970).

11287982 is an equidigital number, since it uses as much as digits as its factorization.

11287982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994.

The product of its digits is 16128, while the sum is 38.

The square root of 11287982 is about 3359.7592175631. The cubic root of 11287982 is about 224.3221210574.

The spelling of 11287982 in words is "eleven million, two hundred eighty-seven thousand, nine hundred eighty-two".