11573240 has 32 divisors (see below), whose sum is σ = 29760480. Its totient is φ = 3967872.

The previous prime is 11573231. The next prime is 11573251. The reversal of 11573240 is 4237511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20387 + ... + 20946.

It is an arithmetic number, because the mean of its divisors is an integer number (930015).

Almost surely, 2^11573240 is an apocalyptic number.

11573240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11573240 is an abundant number, since it is smaller than the sum of its proper divisors (18187240).

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

11573240 is a wasteful number, since it uses less digits than its factorization.

11573240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41351 (or 41347 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11573240 is about 3401.9465016370. The cubic root of 11573240 is about 226.1960342582.

The spelling of 11573240 in words is "eleven million, five hundred seventy-three thousand, two hundred forty".