11239966 has 4 divisors (see below), whose sum is σ = 16859952. Its totient is φ = 5619982.

The previous prime is 11239951. The next prime is 11239967. The reversal of 11239966 is 66993211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66993211 = 383 ⋅174917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809990 + ... + 2809993.

It is an arithmetic number, because the mean of its divisors is an integer number (4214988).

Almost surely, 2^11239966 is an apocalyptic number.

11239966 is a deficient number, since it is larger than the sum of its proper divisors (5619986).

11239966 is an equidigital number, since it uses as much as digits as its factorization.

11239966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619985.

The product of its digits is 17496, while the sum is 37.

The square root of 11239966 is about 3352.6058521693. The cubic root of 11239966 is about 224.0036006011.

The spelling of 11239966 in words is "eleven million, two hundred thirty-nine thousand, nine hundred sixty-six".