27022013 has 4 divisors (see below), whose sum is σ = 27043068. Its totient is φ = 27000960.

The previous prime is 27022007. The next prime is 27022043. The reversal of 27022013 is 31022072.

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 26646244 + 375769 = 5162^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 27022013 - 2²⁴ = 10244797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27021982 and 27022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27022003) 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, 8468 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (6760767).

Almost surely, 2^27022013 is an apocalyptic number.

It is an amenable number.

27022013 is a deficient number, since it is larger than the sum of its proper divisors (21055).

27022013 is a wasteful number, since it uses less digits than its factorization.

27022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 27022013 is about 5198.2701930546. The cubic root of 27022013 is about 300.0815074827.

Adding to 27022013 its reverse (31022072), we get a palindrome (58044085).

The spelling of 27022013 in words is "twenty-seven million, twenty-two thousand, thirteen".