11730213 has 24 divisors (see below), whose sum is σ = 18884736. Its totient is φ = 6955200.

The previous prime is 11730209. The next prime is 11730233. The reversal of 11730213 is 31203711.

It is not a de Polignac number, because 11730213 - 2² = 11730209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3393 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (786864).

Almost surely, 2^11730213 is an apocalyptic number.

It is an amenable number.

11730213 is a deficient number, since it is larger than the sum of its proper divisors (7154523).

11730213 is a wasteful number, since it uses less digits than its factorization.

11730213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11730213 is about 3424.9398534865. The cubic root of 11730213 is about 227.2141109586.

Adding to 11730213 its reverse (31203711), we get a palindrome (42933924).

The spelling of 11730213 in words is "eleven million, seven hundred thirty thousand, two hundred thirteen".