7012729 has 8 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 6501456.

The previous prime is 7012703. The next prime is 7012771. The reversal of 7012729 is 9272107.

It is a happy number.

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 7012729 - 2⁵ = 7012697 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

7012729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7012697 and 7012706.

It is not an unprimeable number, because it can be changed into a prime (7012429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^7012729 is an apocalyptic number.

It is an amenable number.

7012729 is a deficient number, since it is larger than the sum of its proper divisors (527111).

7012729 is a wasteful number, since it uses less digits than its factorization.

7012729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7012729 is about 2648.1557733638. The cubic root of 7012729 is about 191.4089990226.

The spelling of 7012729 in words is "seven million, twelve thousand, seven hundred twenty-nine".