11213232 has 20 divisors (see below), whose sum is σ = 28967640. Its totient is φ = 3737728.

The previous prime is 11213231. The next prime is 11213233. The reversal of 11213232 is 23231211.

It is an interprime number because it is at equal distance from previous prime (11213231) and next prime (11213233).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11213231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116757 + ... + 116852.

It is an arithmetic number, because the mean of its divisors is an integer number (1448382).

Almost surely, 2^11213232 is an apocalyptic number.

11213232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11213232 is an abundant number, since it is smaller than the sum of its proper divisors (17754408).

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

11213232 is a wasteful number, since it uses less digits than its factorization.

11213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233620 (or 233614 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 11213232 is about 3348.6164307069. The cubic root of 11213232 is about 223.8258638124.

Adding to 11213232 its reverse (23231211), we get a palindrome (34444443).

The spelling of 11213232 in words is "eleven million, two hundred thirteen thousand, two hundred thirty-two".