11985213 has 8 divisors (see below), whose sum is σ = 16199488. Its totient is φ = 7880544.

The previous prime is 11985203. The next prime is 11985229. The reversal of 11985213 is 31258911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11985213 - 2⁸ = 11984957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27145 + ... + 27582.

It is an arithmetic number, because the mean of its divisors is an integer number (2024936).

Almost surely, 2^11985213 is an apocalyptic number.

It is an amenable number.

11985213 is a deficient number, since it is larger than the sum of its proper divisors (4214275).

11985213 is an equidigital number, since it uses as much as digits as its factorization.

11985213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54803.

The product of its digits is 2160, while the sum is 30.

The square root of 11985213 is about 3461.9666376209. The cubic root of 11985213 is about 228.8487715830.

The spelling of 11985213 in words is "eleven million, nine hundred eighty-five thousand, two hundred thirteen".