11682780 has 24 divisors (see below), whose sum is σ = 32711952. Its totient is φ = 3115392.

The previous prime is 11682751. The next prime is 11682809. The reversal of 11682780 is 8728611.

It is a happy number.

11682780 is digitally balanced in base 2, 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 (11682751) and next prime (11682809).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97297 + ... + 97416.

It is an arithmetic number, because the mean of its divisors is an integer number (1362998).

Almost surely, 2^11682780 is an apocalyptic number.

11682780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11682780 is an abundant number, since it is smaller than the sum of its proper divisors (21029172).

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

11682780 is a wasteful number, since it uses less digits than its factorization.

11682780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194725 (or 194723 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 11682780 is about 3418.0081919153. The cubic root of 11682780 is about 226.9074383112.

The spelling of 11682780 in words is "eleven million, six hundred eighty-two thousand, seven hundred eighty".