11532330 has 48 divisors (see below), whose sum is σ = 30316104. Its totient is φ = 3041280.

The previous prime is 11532319. The next prime is 11532331. The reversal of 11532330 is 3323511.

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 622521 = 3303^2 + 789^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11532331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8070 + ... + 9390.

Almost surely, 2^11532330 is an apocalyptic number.

11532330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11532330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15158052).

11532330 is an abundant number, since it is smaller than the sum of its proper divisors (18783774).

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

11532330 is a wasteful number, since it uses less digits than its factorization.

11532330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 11532330 is about 3395.9284444758. The cubic root of 11532330 is about 225.9291944113.

Adding to 11532330 its reverse (3323511), we get a palindrome (14855841).

The spelling of 11532330 in words is "eleven million, five hundred thirty-two thousand, three hundred thirty".