28883013 has 8 divisors (see below), whose sum is σ = 39053376. Its totient is φ = 18984000.

The previous prime is 28883003. The next prime is 28883027. The reversal of 28883013 is 31038882.

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

It is not a de Polignac number, because 28883013 - 2⁵ = 28882981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28883003) 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, 67588 + ... + 68013.

It is an arithmetic number, because the mean of its divisors is an integer number (4881672).

Almost surely, 2^28883013 is an apocalyptic number.

It is an amenable number.

28883013 is a deficient number, since it is larger than the sum of its proper divisors (10170363).

28883013 is a wasteful number, since it uses less digits than its factorization.

28883013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135675.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28883013 is about 5374.2918603291. The cubic root of 28883013 is about 306.8179980625.

The spelling of 28883013 in words is "twenty-eight million, eight hundred eighty-three thousand, thirteen".