11982943 has 16 divisors (see below), whose sum is σ = 14658624. Its totient is φ = 9561600.

The previous prime is 11982941. The next prime is 11982953. The reversal of 11982943 is 34928911.

It is a cyclic number.

It is not a de Polignac number, because 11982943 - 2¹ = 11982941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11521 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (916164).

Almost surely, 2^11982943 is an apocalyptic number.

11982943 is a deficient number, since it is larger than the sum of its proper divisors (2675681).

11982943 is a wasteful number, since it uses less digits than its factorization.

11982943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 15552, while the sum is 37.

The square root of 11982943 is about 3461.6387737602. The cubic root of 11982943 is about 228.8343226807.

The spelling of 11982943 in words is "eleven million, nine hundred eighty-two thousand, nine hundred forty-three".