12146343 has 12 divisors (see below), whose sum is σ = 17801784. Its totient is φ = 7361200.

The previous prime is 12146333. The next prime is 12146353. The reversal of 12146343 is 34364121.

It is an interprime number because it is at equal distance from previous prime (12146333) and next prime (12146353).

It is not a de Polignac number, because 12146343 - 2⁵ = 12146311 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16368 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (1483482).

Almost surely, 2^12146343 is an apocalyptic number.

12146343 is a deficient number, since it is larger than the sum of its proper divisors (5655441).

12146343 is a wasteful number, since it uses less digits than its factorization.

12146343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33486 (or 33475 counting only the distinct ones).

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

The square root of 12146343 is about 3485.1603980305. The cubic root of 12146343 is about 229.8697624357.

It can be divided in two parts, 1214 and 6343, that added together give a palindrome (7557).

The spelling of 12146343 in words is "twelve million, one hundred forty-six thousand, three hundred forty-three".