11454520 has 64 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3569280.

The previous prime is 11454493. The next prime is 11454523. The reversal of 11454520 is 2545411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11454491 and 11454500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^11454520 is an apocalyptic number.

11454520 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 11454520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

11454520 is an abundant number, since it is smaller than the sum of its proper divisors (20686280).

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

11454520 is a wasteful number, since it uses less digits than its factorization.

11454520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 11454520 is about 3384.4526883973. The cubic root of 11454520 is about 225.4199236165.

Adding to 11454520 its reverse (2545411), we get a palindrome (13999931).

It can be divided in two parts, 1145 and 4520, that added together give a palindrome (5665).

The spelling of 11454520 in words is "eleven million, four hundred fifty-four thousand, five hundred twenty".