12161246 has 4 divisors (see below), whose sum is σ = 18241872. Its totient is φ = 6080622.

The previous prime is 12161213. The next prime is 12161251. The reversal of 12161246 is 64216121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64216121 = 29 ⋅2214349.

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 as a sum of consecutive naturals, namely, 3040310 + ... + 3040313.

It is an arithmetic number, because the mean of its divisors is an integer number (4560468).

Almost surely, 2^12161246 is an apocalyptic number.

12161246 is a deficient number, since it is larger than the sum of its proper divisors (6080626).

12161246 is an equidigital number, since it uses as much as digits as its factorization.

12161246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080625.

The product of its digits is 576, while the sum is 23.

The square root of 12161246 is about 3487.2978077589. The cubic root of 12161246 is about 229.9637371941.

Adding to 12161246 its reverse (64216121), we get a palindrome (76377367).

The spelling of 12161246 in words is "twelve million, one hundred sixty-one thousand, two hundred forty-six".