12429724 has 24 divisors (see below), whose sum is σ = 23461200. Its totient is φ = 5742720.

The previous prime is 12429691. The next prime is 12429727. The reversal of 12429724 is 42792421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^12429724 is an apocalyptic number.

It is an amenable number.

12429724 is a deficient number, since it is larger than the sum of its proper divisors (11031476).

12429724 is a wasteful number, since it uses less digits than its factorization.

12429724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4051 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 12429724 is about 3525.5813704976. The cubic root of 12429724 is about 231.6437010054.

The spelling of 12429724 in words is "twelve million, four hundred twenty-nine thousand, seven hundred twenty-four".