11985351 has 12 divisors (see below), whose sum is σ = 18589752. Its totient is φ = 6848688.

The previous prime is 11985343. The next prime is 11985353. The reversal of 11985351 is 15358911.

It is not a de Polignac number, because 11985351 - 2³ = 11985343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985353) 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, 40620 + ... + 40913.

It is an arithmetic number, because the mean of its divisors is an integer number (1549146).

Almost surely, 2^11985351 is an apocalyptic number.

11985351 is a deficient number, since it is larger than the sum of its proper divisors (6604401).

11985351 is an equidigital number, since it uses as much as digits as its factorization.

11985351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81550 (or 81543 counting only the distinct ones).

The product of its digits is 5400, while the sum is 33.

The square root of 11985351 is about 3461.9865684315. The cubic root of 11985351 is about 228.8496499155.

The spelling of 11985351 in words is "eleven million, nine hundred eighty-five thousand, three hundred fifty-one".