12343156 has 24 divisors (see below), whose sum is σ = 26139456. Its totient is φ = 4978560.

The previous prime is 12343129. The next prime is 12343169. The reversal of 12343156 is 65134321.

It is a self number, because there is not a number n which added to its sum of digits gives 12343156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12490 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (1089144).

Almost surely, 2^12343156 is an apocalyptic number.

It is an amenable number.

12343156 is an abundant number, since it is smaller than the sum of its proper divisors (13796300).

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

12343156 is a wasteful number, since it uses less digits than its factorization.

12343156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25959 (or 25957 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 12343156 is about 3513.2827953354. The cubic root of 12343156 is about 231.1046794794.

Adding to 12343156 its reverse (65134321), we get a palindrome (77477477).

It can be divided in two parts, 1234315 and 6, that added together give a palindrome (1234321).

The spelling of 12343156 in words is "twelve million, three hundred forty-three thousand, one hundred fifty-six".