11540872 has 48 divisors (see below), whose sum is σ = 25650000. Its totient is φ = 4852512.

The previous prime is 11540863. The next prime is 11540953. The reversal of 11540872 is 27804511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11540872.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22879 + ... + 23377.

It is an arithmetic number, because the mean of its divisors is an integer number (534375).

Almost surely, 2^11540872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11540872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12825000).

11540872 is an abundant number, since it is smaller than the sum of its proper divisors (14109128).

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

11540872 is a wasteful number, since it uses less digits than its factorization.

11540872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11540872 is about 3397.1858942366. The cubic root of 11540872 is about 225.9849625832.

The spelling of 11540872 in words is "eleven million, five hundred forty thousand, eight hundred seventy-two".