11472540 has 48 divisors (see below), whose sum is σ = 32441472. Its totient is φ = 3029056.

The previous prime is 11472533. The next prime is 11472541. The reversal of 11472540 is 4527411.

It is a self number, because there is not a number n which added to its sum of digits gives 11472540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11472541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5527 + ... + 7313.

It is an arithmetic number, because the mean of its divisors is an integer number (675864).

Almost surely, 2^11472540 is an apocalyptic number.

11472540 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 11472540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16220736).

11472540 is an abundant number, since it is smaller than the sum of its proper divisors (20968932).

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

11472540 is a wasteful number, since it uses less digits than its factorization.

11472540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 11472540 is about 3387.1138156253. The cubic root of 11472540 is about 225.5380702452.

Adding to 11472540 its reverse (4527411), we get a palindrome (15999951).

The spelling of 11472540 in words is "eleven million, four hundred seventy-two thousand, five hundred forty".