11782887 has 16 divisors (see below), whose sum is σ = 16704000. Its totient is φ = 7362432.

The previous prime is 11782861. The next prime is 11782913. The reversal of 11782887 is 78828711.

11782887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11782861) and next prime (11782913).

It is not a de Polignac number, because 11782887 - 2¹⁶ = 11717351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23364 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (1044000).

Almost surely, 2^11782887 is an apocalyptic number.

11782887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11782887 is a deficient number, since it is larger than the sum of its proper divisors (4921113).

11782887 is a wasteful number, since it uses less digits than its factorization.

11782887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its digits is 50176, while the sum is 42.

The square root of 11782887 is about 3432.6210102486. The cubic root of 11782887 is about 227.5537014475.

The spelling of 11782887 in words is "eleven million, seven hundred eighty-two thousand, eight hundred eighty-seven".