11428782 has 16 divisors (see below), whose sum is σ = 23475792. Its totient is φ = 3706560.

The previous prime is 11428763. The next prime is 11428787. The reversal of 11428782 is 28782411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428787) 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, 25519 + ... + 25962.

It is an arithmetic number, because the mean of its divisors is an integer number (1467237).

Almost surely, 2^11428782 is an apocalyptic number.

11428782 is an abundant number, since it is smaller than the sum of its proper divisors (12047010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11428782 is a wasteful number, since it uses less digits than its factorization.

11428782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51523.

The product of its digits is 7168, while the sum is 33.

The square root of 11428782 is about 3380.6481627049. The cubic root of 11428782 is about 225.2509594880.

The spelling of 11428782 in words is "eleven million, four hundred twenty-eight thousand, seven hundred eighty-two".