12213134 has 8 divisors (see below), whose sum is σ = 18358488. Its totient is φ = 6093640.

The previous prime is 12213127. The next prime is 12213137. The reversal of 12213134 is 43131221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5237 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (2294811).

Almost surely, 2^12213134 is an apocalyptic number.

12213134 is a deficient number, since it is larger than the sum of its proper divisors (6145354).

12213134 is a wasteful number, since it uses less digits than its factorization.

12213134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12930.

The product of its digits is 144, while the sum is 17.

The square root of 12213134 is about 3494.7294602015. The cubic root of 12213134 is about 230.2903327868.

Adding to 12213134 its reverse (43131221), we get a palindrome (55344355).

The spelling of 12213134 in words is "twelve million, two hundred thirteen thousand, one hundred thirty-four".