12111434 has 8 divisors (see below), whose sum is σ = 18268068. Its totient is φ = 6022080.

The previous prime is 12111433. The next prime is 12111439. The reversal of 12111434 is 43411121.

It is a happy number.

12111434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10220809 + 1890625 = 3197^2 + 1375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12111431) 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, 16367 + ... + 17090.

Almost surely, 2^12111434 is an apocalyptic number.

12111434 is a deficient number, since it is larger than the sum of its proper divisors (6156634).

12111434 is a wasteful number, since it uses less digits than its factorization.

12111434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33640.

The product of its digits is 96, while the sum is 17.

The square root of 12111434 is about 3480.1485600474. The cubic root of 12111434 is about 229.6493333069.

Adding to 12111434 its reverse (43411121), we get a palindrome (55522555).

The spelling of 12111434 in words is "twelve million, one hundred eleven thousand, four hundred thirty-four".