11550213 has 12 divisors (see below), whose sum is σ = 16716960. Its totient is φ = 7684776.

The previous prime is 11550193. The next prime is 11550223. The reversal of 11550213 is 31205511.

It is not a de Polignac number, because 11550213 - 2⁵ = 11550181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5208 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (1393080).

Almost surely, 2^11550213 is an apocalyptic number.

It is an amenable number.

11550213 is a deficient number, since it is larger than the sum of its proper divisors (5166747).

11550213 is a wasteful number, since it uses less digits than its factorization.

11550213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11550213 is about 3398.5604305353. The cubic root of 11550213 is about 226.0459156976.

Adding to 11550213 its reverse (31205511), we get a palindrome (42755724).

The spelling of 11550213 in words is "eleven million, five hundred fifty thousand, two hundred thirteen".