11985238 has 16 divisors (see below), whose sum is σ = 20038320. Its totient is φ = 5342976.

The previous prime is 11985229. The next prime is 11985247. The reversal of 11985238 is 83258911.

It is an interprime number because it is at equal distance from previous prime (11985229) and next prime (11985247).

It is a junction number, because it is equal to n+sod(n) for n = 11985197 and 11985206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8631 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (1252395).

Almost surely, 2^11985238 is an apocalyptic number.

11985238 is a deficient number, since it is larger than the sum of its proper divisors (8053082).

11985238 is a wasteful number, since it uses less digits than its factorization.

11985238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591.

The product of its digits is 17280, while the sum is 37.

The square root of 11985238 is about 3461.9702482835. The cubic root of 11985238 is about 228.8489307017.

The spelling of 11985238 in words is "eleven million, nine hundred eighty-five thousand, two hundred thirty-eight".