11381882 has 4 divisors (see below), whose sum is σ = 17072826. Its totient is φ = 5690940.

The previous prime is 11381879. The next prime is 11381899. The reversal of 11381882 is 28818311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28818311 = 1451 ⋅19861.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 1901641 = 3079^2 + 1379^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845469 + ... + 2845472.

Almost surely, 2^11381882 is an apocalyptic number.

11381882 is a deficient number, since it is larger than the sum of its proper divisors (5690944).

11381882 is an equidigital number, since it uses as much as digits as its factorization.

11381882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690943.

The product of its digits is 3072, while the sum is 32.

The square root of 11381882 is about 3373.7044920977. The cubic root of 11381882 is about 224.9424181868.

The spelling of 11381882 in words is "eleven million, three hundred eighty-one thousand, eight hundred eighty-two".