11213180 has 24 divisors (see below), whose sum is σ = 25688880. Its totient is φ = 4077440.

The previous prime is 11213177. The next prime is 11213197. The reversal of 11213180 is 8131211.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25265 + ... + 25704.

It is an arithmetic number, because the mean of its divisors is an integer number (1070370).

Almost surely, 2^11213180 is an apocalyptic number.

11213180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213180 is an abundant number, since it is smaller than the sum of its proper divisors (14475700).

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

11213180 is a wasteful number, since it uses less digits than its factorization.

11213180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50989 (or 50987 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11213180 is about 3348.6086662971. The cubic root of 11213180 is about 223.8255178234.

Adding to 11213180 its reverse (8131211), we get a palindrome (19344391).

It can be divided in two parts, 112131 and 80, that added together give a palindrome (112211).

The spelling of 11213180 in words is "eleven million, two hundred thirteen thousand, one hundred eighty".