12134388 has 48 divisors (see below), whose sum is σ = 34065920. Its totient is φ = 3284064.

The previous prime is 12134377. The next prime is 12134389. The reversal of 12134388 is 88343121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134389) 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, 2206 + ... + 5397.

Almost surely, 2^12134388 is an apocalyptic number.

It is an amenable number.

12134388 is an abundant number, since it is smaller than the sum of its proper divisors (21931532).

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

12134388 is a wasteful number, since it uses less digits than its factorization.

12134388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636 (or 7634 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 12134388 is about 3483.4448466999. Note that the first 3 decimals coincide. The cubic root of 12134388 is about 229.7943214819.

The spelling of 12134388 in words is "twelve million, one hundred thirty-four thousand, three hundred eighty-eight".