11783772 has 192 divisors, whose sum is σ = 41395200. Its totient is φ = 2799360.

The previous prime is 11783767. The next prime is 11783791. The reversal of 11783772 is 27738711.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108054 + ... + 108162.

It is an arithmetic number, because the mean of its divisors is an integer number (215600).

Almost surely, 2^11783772 is an apocalyptic number.

11783772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11783772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20697600).

11783772 is an abundant number, since it is smaller than the sum of its proper divisors (29611428).

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

11783772 is a wasteful number, since it uses less digits than its factorization.

11783772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 145 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 11783772 is about 3432.7499180686. The cubic root of 11783772 is about 227.5593984096.

It can be divided in two parts, 1178 and 3772, that added together give a triangular number (4950 = T₉₉).

The spelling of 11783772 in words is "eleven million, seven hundred eighty-three thousand, seven hundred seventy-two".