28829713 has 4 divisors (see below), whose sum is σ = 31450608. Its totient is φ = 26208820.

The previous prime is 28829699. The next prime is 28829719. The reversal of 28829713 is 31792882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-28829713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28829719) 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 3 ways as a sum of consecutive naturals, for example, 1310431 + ... + 1310452.

It is an arithmetic number, because the mean of its divisors is an integer number (7862652).

Almost surely, 2^28829713 is an apocalyptic number.

It is an amenable number.

28829713 is a deficient number, since it is larger than the sum of its proper divisors (2620895).

28829713 is a wasteful number, since it uses less digits than its factorization.

28829713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620894.

The product of its digits is 48384, while the sum is 40.

The square root of 28829713 is about 5369.3307776668. The cubic root of 28829713 is about 306.6291503938.

The spelling of 28829713 in words is "twenty-eight million, eight hundred twenty-nine thousand, seven hundred thirteen".