11428982 has 4 divisors (see below), whose sum is σ = 17143476. Its totient is φ = 5714490.

The previous prime is 11428969. The next prime is 11428993. The reversal of 11428982 is 28982411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28982411 = 463 ⋅62597.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857244 + ... + 2857247.

It is an arithmetic number, because the mean of its divisors is an integer number (4285869).

Almost surely, 2^11428982 is an apocalyptic number.

11428982 is a deficient number, since it is larger than the sum of its proper divisors (5714494).

11428982 is an equidigital number, since it uses as much as digits as its factorization.

11428982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714493.

The product of its digits is 9216, while the sum is 35.

The square root of 11428982 is about 3380.6777427019. The cubic root of 11428982 is about 225.2522734201.

The spelling of 11428982 in words is "eleven million, four hundred twenty-eight thousand, nine hundred eighty-two".