11463540 has 72 divisors (see below), whose sum is σ = 35303520. Its totient is φ = 2777280.

The previous prime is 11463533. The next prime is 11463541. The reversal of 11463540 is 4536411.

It is a self number, because there is not a number n which added to its sum of digits gives 11463540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11463541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6471 + ... + 8049.

Almost surely, 2^11463540 is an apocalyptic number.

11463540 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 11463540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17651760).

11463540 is an abundant number, since it is smaller than the sum of its proper divisors (23839980).

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

11463540 is a wasteful number, since it uses less digits than its factorization.

11463540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 11463540 is about 3385.7849902201. The cubic root of 11463540 is about 225.4790779717.

Adding to 11463540 its reverse (4536411), we get a palindrome (15999951).

The spelling of 11463540 in words is "eleven million, four hundred sixty-three thousand, five hundred forty".