11532290 has 64 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 3379200.

The previous prime is 11532277. The next prime is 11532293. The reversal of 11532290 is 9223511.

11532290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11532293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12650 + ... + 13530.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 2^11532290 is an apocalyptic number.

11532290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11532290 is an abundant number, since it is smaller than the sum of its proper divisors (15901438).

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

11532290 is a wasteful number, since it uses less digits than its factorization.

11532290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11532290 is about 3395.9225550651. The cubic root of 11532290 is about 225.9289331984.

It can be divided in two parts, 1153 and 2290, that added together give a palindrome (3443).

The spelling of 11532290 in words is "eleven million, five hundred thirty-two thousand, two hundred ninety".