12051434 has 16 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 5638320.

The previous prime is 12051433. The next prime is 12051451. The reversal of 12051434 is 43415021.

It is a super-2 number, since 2×12051434² = 290474122912712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12051433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (1203930).

Almost surely, 2^12051434 is an apocalyptic number.

12051434 is a deficient number, since it is larger than the sum of its proper divisors (7211446).

12051434 is a wasteful number, since it uses less digits than its factorization.

12051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12051434 is about 3471.5175356031. The cubic root of 12051434 is about 229.2694780266.

Adding to 12051434 its reverse (43415021), we get a palindrome (55466455).

The spelling of 12051434 in words is "twelve million, fifty-one thousand, four hundred thirty-four".