11213132 has 24 divisors (see below), whose sum is σ = 23746464. Its totient is φ = 4522752.

The previous prime is 11213129. The next prime is 11213141. The reversal of 11213132 is 23131211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 15.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11303 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (989436).

Almost surely, 2^11213132 is an apocalyptic number.

It is an amenable number.

11213132 is an abundant number, since it is smaller than the sum of its proper divisors (12533332).

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

11213132 is a wasteful number, since it uses less digits than its factorization.

11213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23585 (or 23583 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 11213132 is about 3348.6014991336. The cubic root of 11213132 is about 223.8251984481.

Adding to 11213132 its reverse (23131211), we get a palindrome (34344343).

The spelling of 11213132 in words is "eleven million, two hundred thirteen thousand, one hundred thirty-two".