11138782 has 4 divisors (see below), whose sum is σ = 16708176. Its totient is φ = 5569390.

The previous prime is 11138767. The next prime is 11138821. The reversal of 11138782 is 28783111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2784694 + ... + 2784697.

It is an arithmetic number, because the mean of its divisors is an integer number (4177044).

Almost surely, 2^11138782 is an apocalyptic number.

11138782 is a deficient number, since it is larger than the sum of its proper divisors (5569394).

11138782 is an equidigital number, since it uses as much as digits as its factorization.

11138782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569393.

The product of its digits is 2688, while the sum is 31.

The square root of 11138782 is about 3337.4813857159. The cubic root of 11138782 is about 223.3294011832.

The spelling of 11138782 in words is "eleven million, one hundred thirty-eight thousand, seven hundred eighty-two".