28583013 has 8 divisors (see below), whose sum is σ = 38138976. Its totient is φ = 19041200.

The previous prime is 28582999. The next prime is 28583033. The reversal of 28583013 is 31038582.

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 28583013 - 2⁹ = 28582501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28583033) 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, 2803 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (4767372).

Almost surely, 2^28583013 is an apocalyptic number.

It is an amenable number.

28583013 is a deficient number, since it is larger than the sum of its proper divisors (9555963).

28583013 is a wasteful number, since it uses less digits than its factorization.

28583013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28583013 is about 5346.3083524989. The cubic root of 28583013 is about 305.7520204618.

The spelling of 28583013 in words is "twenty-eight million, five hundred eighty-three thousand, thirteen".