27097013 has 4 divisors (see below), whose sum is σ = 28275168. Its totient is φ = 25918860.

The previous prime is 27096977. The next prime is 27097039. The reversal of 27097013 is 31079072.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27097013 - 2⁸ = 27096757 is a prime.

It is a super-2 number, since 2×27097013² = 1468496227044338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27097043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589043 + ... + 589088.

It is an arithmetic number, because the mean of its divisors is an integer number (7068792).

Almost surely, 2^27097013 is an apocalyptic number.

27097013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27097013 is a deficient number, since it is larger than the sum of its proper divisors (1178155).

27097013 is a wasteful number, since it uses less digits than its factorization.

27097013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178154.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 27097013 is about 5205.4791326063. The cubic root of 27097013 is about 300.3588779250.

The spelling of 27097013 in words is "twenty-seven million, ninety-seven thousand, thirteen".