12294729 has 12 divisors (see below), whose sum is σ = 18694000. Its totient is φ = 7764984.

The previous prime is 12294713. The next prime is 12294731. The reversal of 12294729 is 92749221.

12294729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12294729 - 2⁴ = 12294713 is a prime.

It is a super-2 number, since 2×12294729² = 302320722366882, 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 = 12294693 and 12294702.

It is not an unprimeable number, because it can be changed into a prime (12294749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35779 + ... + 36120.

Almost surely, 2^12294729 is an apocalyptic number.

12294729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12294729 is a deficient number, since it is larger than the sum of its proper divisors (6399271).

12294729 is a wasteful number, since it uses less digits than its factorization.

12294729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71924 (or 71921 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12294729 is about 3506.3840348713. The cubic root of 12294729 is about 230.8020455131.

The spelling of 12294729 in words is "twelve million, two hundred ninety-four thousand, seven hundred twenty-nine".