11724211 has 2 divisors, whose sum is σ = 11724212. Its totient is φ = 11724210.

The previous prime is 11724199. The next prime is 11724217. The reversal of 11724211 is 11242711.

It is a strong prime.

It is an emirp because it is prime and its reverse (11242711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11724211 - 2⁵ = 11724179 is a prime.

It is a Chen prime.

It is equal to p₇₇₁₁₁₂ and since 11724211 and 771112 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11724217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862105 + 5862106.

It is an arithmetic number, because the mean of its divisors is an integer number (5862106).

Almost surely, 2^11724211 is an apocalyptic number.

11724211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11724211 is an equidigital number, since it uses as much as digits as its factorization.

11724211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112, while the sum is 19.

The square root of 11724211 is about 3424.0635216070. The cubic root of 11724211 is about 227.1753514534.

Adding to 11724211 its reverse (11242711), we get a palindrome (22966922).

It can be divided in two parts, 11724 and 211, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11724211 in words is "eleven million, seven hundred twenty-four thousand, two hundred eleven".