12429315 has 32 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 6339168.

The previous prime is 12429301. The next prime is 12429323. The reversal of 12429315 is 51392421.

It is not a de Polignac number, because 12429315 - 2⁵ = 12429283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1104 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^12429315 is an apocalyptic number.

12429315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12429315 is a deficient number, since it is larger than the sum of its proper divisors (10633725).

12429315 is a wasteful number, since it uses less digits than its factorization.

12429315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4034 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12429315 is about 3525.5233654026. The cubic root of 12429315 is about 231.6411602326.

The spelling of 12429315 in words is "twelve million, four hundred twenty-nine thousand, three hundred fifteen".