12342236 has 12 divisors (see below), whose sum is σ = 21801528. Its totient is φ = 6113232.

The previous prime is 12342223. The next prime is 12342257. The reversal of 12342236 is 63224321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13991 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (1816794).

Almost surely, 2^12342236 is an apocalyptic number.

It is an amenable number.

12342236 is a deficient number, since it is larger than the sum of its proper divisors (9459292).

12342236 is a wasteful number, since it uses less digits than its factorization.

12342236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948 (or 28946 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 12342236 is about 3513.1518612209. The cubic root of 12342236 is about 231.0989375231.

Adding to 12342236 its reverse (63224321), we get a palindrome (75566557).

The spelling of 12342236 in words is "twelve million, three hundred forty-two thousand, two hundred thirty-six".