27026013 has 8 divisors (see below), whose sum is σ = 41182528. Its totient is φ = 15443424.

The previous prime is 27026009. The next prime is 27026023. The reversal of 27026013 is 31062072.

It is a happy number.

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

It is not a de Polignac number, because 27026013 - 2² = 27026009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1286953 = 27026013 / (2 + 7 + 0 + 2 + 6 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27026023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643456 + ... + 643497.

It is an arithmetic number, because the mean of its divisors is an integer number (5147816).

Almost surely, 2^27026013 is an apocalyptic number.

It is an amenable number.

27026013 is a deficient number, since it is larger than the sum of its proper divisors (14156515).

27026013 is a wasteful number, since it uses less digits than its factorization.

27026013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286963.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 27026013 is about 5198.6549221890. The cubic root of 27026013 is about 300.0963135202.

Adding to 27026013 its reverse (31062072), we get a palindrome (58088085).

The spelling of 27026013 in words is "twenty-seven million, twenty-six thousand, thirteen".