11512982 has 8 divisors (see below), whose sum is σ = 18597936. Its totient is φ = 5313672.

The previous prime is 11512981. The next prime is 11512987. The reversal of 11512982 is 28921511.

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 (11512981) 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, 221378 + ... + 221429.

It is an arithmetic number, because the mean of its divisors is an integer number (2324742).

Almost surely, 2^11512982 is an apocalyptic number.

11512982 is a deficient number, since it is larger than the sum of its proper divisors (7084954).

11512982 is a wasteful number, since it uses less digits than its factorization.

11512982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442822.

The product of its digits is 1440, while the sum is 29.

The square root of 11512982 is about 3393.0785431522. The cubic root of 11512982 is about 225.8027751787.

The spelling of 11512982 in words is "eleven million, five hundred twelve thousand, nine hundred eighty-two".