12130434 has 24 divisors (see below), whose sum is σ = 26462592. Its totient is φ = 4015800.

The previous prime is 12130411. The next prime is 12130441. The reversal of 12130434 is 43403121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487 + ... + 4949.

It is an arithmetic number, because the mean of its divisors is an integer number (1102608).

Almost surely, 2^12130434 is an apocalyptic number.

12130434 is an abundant number, since it is smaller than the sum of its proper divisors (14332158).

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

12130434 is a wasteful number, since it uses less digits than its factorization.

12130434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12130434 is about 3482.8772588192. The cubic root of 12130434 is about 229.7693592161.

Adding to 12130434 its reverse (43403121), we get a palindrome (55533555).

The spelling of 12130434 in words is "twelve million, one hundred thirty thousand, four hundred thirty-four".