11532520 has 16 divisors (see below), whose sum is σ = 25948260. Its totient is φ = 4612992.

The previous prime is 11532481. The next prime is 11532539. The reversal of 11532520 is 2523511.

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 996004 = 3246^2 + 998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144117 + ... + 144196.

Almost surely, 2^11532520 is an apocalyptic number.

11532520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532520 is an abundant number, since it is smaller than the sum of its proper divisors (14415740).

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

11532520 is a wasteful number, since it uses less digits than its factorization.

11532520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288324 (or 288320 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 11532520 is about 3395.9564190372. The cubic root of 11532520 is about 225.9304351640.

Subtracting from 11532520 its reverse (2523511), we obtain a palindrome (9009009).

The spelling of 11532520 in words is "eleven million, five hundred thirty-two thousand, five hundred twenty".