12260729 has 8 divisors (see below), whose sum is σ = 13353480. Its totient is φ = 11189376.

The previous prime is 12260713. The next prime is 12260741. The reversal of 12260729 is 92706221.

It can be written as a sum of positive squares in 4 ways, for example, as 883600 + 11377129 = 940^2 + 3373^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12260729 - 2⁴ = 12260713 is a prime.

It is a super-2 number, since 2×12260729² = 300650951222882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12260629) 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, 4142 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (1669185).

Almost surely, 2^12260729 is an apocalyptic number.

It is an amenable number.

12260729 is a deficient number, since it is larger than the sum of its proper divisors (1092751).

12260729 is a wasteful number, since it uses less digits than its factorization.

12260729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12260729 is about 3501.5323788307. The cubic root of 12260729 is about 230.5890947890.

The spelling of 12260729 in words is "twelve million, two hundred sixty thousand, seven hundred twenty-nine".