27300013 has 4 divisors (see below), whose sum is σ = 29400028. Its totient is φ = 25200000.

The previous prime is 27299989. The next prime is 27300019. The reversal of 27300013 is 31000372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18550249 + 8749764 = 4307^2 + 2958^2 .

It is a cyclic number.

It is not a de Polignac number, because 27300013 - 2¹³ = 27291821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27300013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27300019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049988 + ... + 1050013.

It is an arithmetic number, because the mean of its divisors is an integer number (7350007).

Almost surely, 2^27300013 is an apocalyptic number.

It is an amenable number.

27300013 is a deficient number, since it is larger than the sum of its proper divisors (2100015).

27300013 is a wasteful number, since it uses less digits than its factorization.

27300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100014.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 27300013 is about 5224.9414350785. The cubic root of 27300013 is about 301.1070688955.

Adding to 27300013 its reverse (31000372), we get a palindrome (58300385).

The spelling of 27300013 in words is "twenty-seven million, three hundred thousand, thirteen".