12143351 has 16 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 10567200.

The previous prime is 12143317. The next prime is 12143353. The reversal of 12143351 is 15334121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12143351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50690 + ... + 50928.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^12143351 is an apocalyptic number.

12143351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12143351 is a deficient number, since it is larger than the sum of its proper divisors (1680649).

12143351 is a wasteful number, since it uses less digits than its factorization.

12143351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 360, while the sum is 20.

The square root of 12143351 is about 3484.7311230567. The cubic root of 12143351 is about 229.8508863342.

Adding to 12143351 its reverse (15334121), we get a palindrome (27477472).

The spelling of 12143351 in words is "twelve million, one hundred forty-three thousand, three hundred fifty-one".