28036713 has 8 divisors (see below), whose sum is σ = 38392768. Its totient is φ = 18185904.

The previous prime is 28036711. The next prime is 28036721. The reversal of 28036713 is 31763082.

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

It is not a de Polignac number, because 28036713 - 2¹ = 28036711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28036711) 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, 126181 + ... + 126402.

It is an arithmetic number, because the mean of its divisors is an integer number (4799096).

Almost surely, 2^28036713 is an apocalyptic number.

It is an amenable number.

28036713 is a deficient number, since it is larger than the sum of its proper divisors (10356055).

28036713 is a wasteful number, since it uses less digits than its factorization.

28036713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252623.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 28036713 is about 5294.9705381617. The cubic root of 28036713 is about 303.7915562376.

Adding to 28036713 its reverse (31763082), we get a palindrome (59799795).

The spelling of 28036713 in words is "twenty-eight million, thirty-six thousand, seven hundred thirteen".