11841720 has 64 divisors (see below), whose sum is σ = 38759040. Its totient is φ = 2870400.

The previous prime is 11841703. The next prime is 11841749. The reversal of 11841720 is 2714811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3166 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (605610).

Almost surely, 2^11841720 is an apocalyptic number.

11841720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11841720 is an abundant number, since it is smaller than the sum of its proper divisors (26917320).

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

11841720 is a wasteful number, since it uses less digits than its factorization.

11841720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996 (or 8992 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11841720 is about 3441.1800301641. The cubic root of 11841720 is about 227.9318047817.

It can be divided in two parts, 11841 and 720, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11841720 in words is "eleven million, eight hundred forty-one thousand, seven hundred twenty".