11534480 has 40 divisors (see below), whose sum is σ = 27688704. Its totient is φ = 4464000.

The previous prime is 11534473. The next prime is 11534533. The reversal of 11534480 is 8443511.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 4805.

Almost surely, 2^11534480 is an apocalyptic number.

11534480 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 11534480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13844352).

11534480 is an abundant number, since it is smaller than the sum of its proper divisors (16154224).

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

11534480 is a wasteful number, since it uses less digits than its factorization.

11534480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695 (or 4689 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 11534480 is about 3396.2449852742. The cubic root of 11534480 is about 225.9432337131.

Adding to 11534480 its reverse (8443511), we get a palindrome (19977991).

The spelling of 11534480 in words is "eleven million, five hundred thirty-four thousand, four hundred eighty".