12143346 has 8 divisors (see below), whose sum is σ = 24286704. Its totient is φ = 4047780.

The previous prime is 12143317. The next prime is 12143353. The reversal of 12143346 is 64334121.

It is a sphenic number, since it is the product of 3 distinct primes.

12143346 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1011940 + ... + 1011951.

It is an arithmetic number, because the mean of its divisors is an integer number (3035838).

Almost surely, 2^12143346 is an apocalyptic number.

12143346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12143346 is a wasteful number, since it uses less digits than its factorization.

12143346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023896.

The product of its digits is 1728, while the sum is 24.

The square root of 12143346 is about 3484.7304056412. The cubic root of 12143346 is about 229.8508547874.

Adding to 12143346 its reverse (64334121), we get a palindrome (76477467).

It can be divided in two parts, 1214 and 3346, that added together give a triangular number (4560 = T₉₅).

The spelling of 12143346 in words is "twelve million, one hundred forty-three thousand, three hundred forty-six".