12124434 has 32 divisors (see below), whose sum is σ = 29344896. Its totient is φ = 3260160.

The previous prime is 12124423. The next prime is 12124481. The reversal of 12124434 is 43442121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12124434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7777 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (917028).

Almost surely, 2^12124434 is an apocalyptic number.

12124434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12124434 is an abundant number, since it is smaller than the sum of its proper divisors (17220462).

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

12124434 is a wasteful number, since it uses less digits than its factorization.

12124434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010.

The product of its digits is 768, while the sum is 21.

The square root of 12124434 is about 3482.0157954840. The cubic root of 12124434 is about 229.7314698459.

Adding to 12124434 its reverse (43442121), we get a palindrome (55566555).

It can be divided in two parts, 121244 and 34, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 12124434 in words is "twelve million, one hundred twenty-four thousand, four hundred thirty-four".