12645429 has 8 divisors (see below), whose sum is σ = 17178912. Its totient is φ = 8271120.

The previous prime is 12645419. The next prime is 12645439. The reversal of 12645429 is 92454621.

12645429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12645419) and next prime (12645439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12645429 - 2⁸ = 12645173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12645429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645419) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39607 + ... + 39924.

It is an arithmetic number, because the mean of its divisors is an integer number (2147364).

Almost surely, 2^12645429 is an apocalyptic number.

It is an amenable number.

12645429 is a deficient number, since it is larger than the sum of its proper divisors (4533483).

12645429 is an equidigital number, since it uses as much as digits as its factorization.

12645429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79587.

The product of its digits is 17280, while the sum is 33.

The square root of 12645429 is about 3556.0411977366. The cubic root of 12645429 is about 232.9760024896.

The spelling of 12645429 in words is "twelve million, six hundred forty-five thousand, four hundred twenty-nine".