12075729 has 8 divisors (see below), whose sum is σ = 17048160. Its totient is φ = 7576896.

The previous prime is 12075677. The next prime is 12075731. The reversal of 12075729 is 92757021.

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

It is not a de Polignac number, because 12075729 - 2⁸ = 12075473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12075729.

It is not an unprimeable number, because it can be changed into a prime (12075769) 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, 118339 + ... + 118440.

It is an arithmetic number, because the mean of its divisors is an integer number (2131020).

Almost surely, 2^12075729 is an apocalyptic number.

It is an amenable number.

12075729 is a deficient number, since it is larger than the sum of its proper divisors (4972431).

12075729 is a wasteful number, since it uses less digits than its factorization.

12075729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236799.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 12075729 is about 3475.0149639966. The cubic root of 12075729 is about 229.4234393216.

It can be divided in two parts, 120757 and 29, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 12075729 in words is "twelve million, seventy-five thousand, seven hundred twenty-nine".