11941520 has 20 divisors (see below), whose sum is σ = 27764220. Its totient is φ = 4776576.

The previous prime is 11941513. The next prime is 11941529. The reversal of 11941520 is 2514911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 6390784 = 2356^2 + 2528^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11941529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74555 + ... + 74714.

It is an arithmetic number, because the mean of its divisors is an integer number (1388211).

Almost surely, 2^11941520 is an apocalyptic number.

11941520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11941520 is an abundant number, since it is smaller than the sum of its proper divisors (15822700).

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

11941520 is a wasteful number, since it uses less digits than its factorization.

11941520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149282 (or 149276 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11941520 is about 3455.6504452852. The cubic root of 11941520 is about 228.5703377924.

The spelling of 11941520 in words is "eleven million, nine hundred forty-one thousand, five hundred twenty".