12429516 has 96 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 3404800.

The previous prime is 12429511. The next prime is 12429523. The reversal of 12429516 is 61592421.

It is not an unprimeable number, because it can be changed into a prime (12429511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64981 + ... + 65171.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^12429516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12429516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

12429516 is an abundant number, since it is smaller than the sum of its proper divisors (22406964).

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

12429516 is a wasteful number, since it uses less digits than its factorization.

12429516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 253 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 12429516 is about 3525.5518716933. The cubic root of 12429516 is about 231.6424088834.

The spelling of 12429516 in words is "twelve million, four hundred twenty-nine thousand, five hundred sixteen".