12429031 has 4 divisors (see below), whose sum is σ = 12436200. Its totient is φ = 12421864.

The previous prime is 12429019. The next prime is 12429037. The reversal of 12429031 is 13092421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12429031 - 2⁷ = 12428903 is a prime.

It is a super-2 number, since 2×12429031² = 308961623197922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12428993 and 12429011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429037) 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, 825 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (3109050).

Almost surely, 2^12429031 is an apocalyptic number.

12429031 is a deficient number, since it is larger than the sum of its proper divisors (7169).

12429031 is an equidigital number, since it uses as much as digits as its factorization.

12429031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12429031 is about 3525.4830874648. The cubic root of 12429031 is about 231.6393959469.

The spelling of 12429031 in words is "twelve million, four hundred twenty-nine thousand, thirty-one".