27012107 has 4 divisors (see below), whose sum is σ = 27057216. Its totient is φ = 26967000.

The previous prime is 27012103. The next prime is 27012113. The reversal of 27012107 is 70121072.

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

It is a cyclic number.

It is not a de Polignac number, because 27012107 - 2² = 27012103 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27012103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21644 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (6764304).

Almost surely, 2^27012107 is an apocalyptic number.

27012107 is a deficient number, since it is larger than the sum of its proper divisors (45109).

27012107 is an equidigital number, since it uses as much as digits as its factorization.

27012107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45108.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 27012107 is about 5197.3172887558. The cubic root of 27012107 is about 300.0448340401.

Adding to 27012107 its reverse (70121072), we get a palindrome (97133179).

The spelling of 27012107 in words is "twenty-seven million, twelve thousand, one hundred seven".