28853013 has 12 divisors (see below), whose sum is σ = 44751840. Its totient is φ = 16487352.

The previous prime is 28852991. The next prime is 28853021. The reversal of 28853013 is 31035882.

It is a happy number.

It is not a de Polignac number, because 28853013 - 2⁵ = 28852981 is a prime.

It is the 5372-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28853093) by changing a digit.

It is a nontrivial repunit in base 5371.

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 11 ways as a sum of consecutive naturals, for example, 97993 + ... + 98286.

It is an arithmetic number, because the mean of its divisors is an integer number (3729320).

Almost surely, 2^28853013 is an apocalyptic number.

It is an amenable number.

28853013 is a deficient number, since it is larger than the sum of its proper divisors (15898827).

28853013 is a wasteful number, since it uses less digits than its factorization.

28853013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196296 (or 196289 counting only the distinct ones).

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

The square root of 28853013 is about 5371.5000698129. The cubic root of 28853013 is about 306.7117334262.

Adding to 28853013 its reverse (31035882), we get a palindrome (59888895).

It can be divided in two parts, 288 and 53013, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 28853013 in words is "twenty-eight million, eight hundred fifty-three thousand, thirteen".