11143246 has 4 divisors (see below), whose sum is σ = 16714872. Its totient is φ = 5571622.

The previous prime is 11143243. The next prime is 11143259. The reversal of 11143246 is 64234111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64234111 = 877 ⋅73243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785810 + ... + 2785813.

It is an arithmetic number, because the mean of its divisors is an integer number (4178718).

Almost surely, 2^11143246 is an apocalyptic number.

11143246 is a deficient number, since it is larger than the sum of its proper divisors (5571626).

11143246 is an equidigital number, since it uses as much as digits as its factorization.

11143246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571625.

The product of its digits is 576, while the sum is 22.

The square root of 11143246 is about 3338.1500865000. The cubic root of 11143246 is about 223.3592311741.

Adding to 11143246 its reverse (64234111), we get a palindrome (75377357).

The spelling of 11143246 in words is "eleven million, one hundred forty-three thousand, two hundred forty-six".