11213000 has 32 divisors (see below), whose sum is σ = 26240760. Its totient is φ = 4484800.

The previous prime is 11212997. The next prime is 11213057. The reversal of 11213000 is 31211.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 10355524 = 926^2 + 3218^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607 + ... + 6606.

Almost surely, 2^11213000 is an apocalyptic number.

11213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213000 is an abundant number, since it is smaller than the sum of its proper divisors (15027760).

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

11213000 is a wasteful number, since it uses less digits than its factorization.

11213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234 (or 11220 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11213000 is about 3348.5817893550. The cubic root of 11213000 is about 223.8243201611.

Adding to 11213000 its reverse (31211), we get a palindrome (11244211).

The spelling of 11213000 in words is "eleven million, two hundred thirteen thousand".