11782012 has 24 divisors (see below), whose sum is σ = 22689072. Its totient is φ = 5353040.

The previous prime is 11781997. The next prime is 11782019. The reversal of 11782012 is 21028711.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4218 + ... + 6430.

It is an arithmetic number, because the mean of its divisors is an integer number (945378).

Almost surely, 2^11782012 is an apocalyptic number.

It is an amenable number.

11782012 is a deficient number, since it is larger than the sum of its proper divisors (10907060).

11782012 is a wasteful number, since it uses less digits than its factorization.

11782012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11782012 is about 3432.4935542547. The cubic root of 11782012 is about 227.5480685773.

The spelling of 11782012 in words is "eleven million, seven hundred eighty-two thousand, twelve".