11430520 has 16 divisors (see below), whose sum is σ = 25718760. Its totient is φ = 4572192.

The previous prime is 11430491. The next prime is 11430539. The reversal of 11430520 is 2503411.

It is a junction number, because it is equal to n+sod(n) for n = 11430494 and 11430503.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 142842 + ... + 142921.

Almost surely, 2^11430520 is an apocalyptic number.

11430520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430520 is an abundant number, since it is smaller than the sum of its proper divisors (14288240).

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

11430520 is a wasteful number, since it uses less digits than its factorization.

11430520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285774 (or 285770 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11430520 is about 3380.9052042316. The cubic root of 11430520 is about 225.2623770455.

Adding to 11430520 its reverse (2503411), we get a palindrome (13933931).

The spelling of 11430520 in words is "eleven million, four hundred thirty thousand, five hundred twenty".