11520450 has 36 divisors (see below), whose sum is σ = 30952818. Its totient is φ = 3072000.

The previous prime is 11520433. The next prime is 11520461. The reversal of 11520450 is 5402511.

It can be written as a sum of positive squares in 3 ways, for example, as 11269449 + 251001 = 3357^2 + 501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 17 ways as a sum of consecutive naturals, for example, 12351 + ... + 13250.

Almost surely, 2^11520450 is an apocalyptic number.

11520450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520450 is an abundant number, since it is smaller than the sum of its proper divisors (19432368).

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

11520450 is a wasteful number, since it uses less digits than its factorization.

11520450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25619 (or 25611 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11520450 is about 3394.1788403088. The cubic root of 11520450 is about 225.8515876307.

Adding to 11520450 its reverse (5402511), we get a palindrome (16922961).

The spelling of 11520450 in words is "eleven million, five hundred twenty thousand, four hundred fifty".