12429911 has 4 divisors (see below), whose sum is σ = 13386072. Its totient is φ = 11473752.

The previous prime is 12429889. The next prime is 12429947. The reversal of 12429911 is 11992421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12429911 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478061 + ... + 478086.

It is an arithmetic number, because the mean of its divisors is an integer number (3346518).

Almost surely, 2^12429911 is an apocalyptic number.

12429911 is a deficient number, since it is larger than the sum of its proper divisors (956161).

12429911 is an equidigital number, since it uses as much as digits as its factorization.

12429911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956160.

The product of its digits is 1296, while the sum is 29.

The square root of 12429911 is about 3525.6078908466. The cubic root of 12429911 is about 231.6448626605.

The spelling of 12429911 in words is "twelve million, four hundred twenty-nine thousand, nine hundred eleven".