11455982 has 4 divisors (see below), whose sum is σ = 17183976. Its totient is φ = 5727990.

The previous prime is 11455981. The next prime is 11455999. The reversal of 11455982 is 28955411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28955411 = 19 ⋅1523969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863994 + ... + 2863997.

It is an arithmetic number, because the mean of its divisors is an integer number (4295994).

Almost surely, 2^11455982 is an apocalyptic number.

11455982 is a deficient number, since it is larger than the sum of its proper divisors (5727994).

11455982 is an equidigital number, since it uses as much as digits as its factorization.

11455982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727993.

The product of its digits is 14400, while the sum is 35.

The square root of 11455982 is about 3384.6686691610. The cubic root of 11455982 is about 225.4295137145.

The spelling of 11455982 in words is "eleven million, four hundred fifty-five thousand, nine hundred eighty-two".