11300520 has 128 divisors (see below), whose sum is σ = 42301440. Its totient is φ = 2346240.

The previous prime is 11300507. The next prime is 11300537. The reversal of 11300520 is 2500311.

11300520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11300496 and 11300505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8629 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^11300520 is an apocalyptic number.

11300520 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 11300520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21150720).

11300520 is an abundant number, since it is smaller than the sum of its proper divisors (31000920).

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

11300520 is a wasteful number, since it uses less digits than its factorization.

11300520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 11300520 is about 3361.6246072398. The cubic root of 11300520 is about 224.4051447564.

Adding to 11300520 its reverse (2500311), we get a palindrome (13800831).

The spelling of 11300520 in words is "eleven million, three hundred thousand, five hundred twenty".