11984213 has 2 divisors, whose sum is σ = 11984214. Its totient is φ = 11984212.

The previous prime is 11984209. The next prime is 11984233. The reversal of 11984213 is 31248911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 4355569 = 2762^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 11984213 - 2² = 11984209 is a prime.

It is a super-2 number, since 2×11984213² = 287242722458738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11984233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992106 + 5992107.

It is an arithmetic number, because the mean of its divisors is an integer number (5992107).

Almost surely, 2^11984213 is an apocalyptic number.

It is an amenable number.

11984213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11984213 is an equidigital number, since it uses as much as digits as its factorization.

11984213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 11984213 is about 3461.8222080286. The cubic root of 11984213 is about 228.8424066526.

The spelling of 11984213 in words is "eleven million, nine hundred eighty-four thousand, two hundred thirteen".