11780874 has 108 divisors (see below), whose sum is σ = 32184594. Its totient is φ = 3102624.

The previous prime is 11780863. The next prime is 11780887. The reversal of 11780874 is 47808711.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 3980025 = 2793^2 + 1995^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 318384 + ... + 318420.

Almost surely, 2^11780874 is an apocalyptic number.

11780874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11780874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16092297).

11780874 is an abundant number, since it is smaller than the sum of its proper divisors (20403720).

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

11780874 is a wasteful number, since it uses less digits than its factorization.

11780874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 11780874 is about 3432.3277815500. The cubic root of 11780874 is about 227.5407422101.

The spelling of 11780874 in words is "eleven million, seven hundred eighty thousand, eight hundred seventy-four".