11552940 has 144 divisors (see below), whose sum is σ = 41041728. Its totient is φ = 2575872.

The previous prime is 11552927. The next prime is 11552941. The reversal of 11552940 is 4925511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66694 + ... + 66866.

It is an arithmetic number, because the mean of its divisors is an integer number (285012).

Almost surely, 2^11552940 is an apocalyptic number.

11552940 is a gapful number since it is divisible by the number (10) 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 11552940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20520864).

11552940 is an abundant number, since it is smaller than the sum of its proper divisors (29488788).

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

11552940 is a wasteful number, since it uses less digits than its factorization.

11552940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 11552940 is about 3398.9616061380. The cubic root of 11552940 is about 226.0637040768.

It can be divided in two parts, 1155 and 2940, that added together give a triangular number (4095 = T₉₀).

The spelling of 11552940 in words is "eleven million, five hundred fifty-two thousand, nine hundred forty".