27513128 has 16 divisors (see below), whose sum is σ = 51660180. Its totient is φ = 13737088.

The previous prime is 27513119. The next prime is 27513137. The reversal of 27513128 is 82131572.

It is an interprime number because it is at equal distance from previous prime (27513119) and next prime (27513137).

It can be written as a sum of positive squares in 2 ways, for example, as 22486564 + 5026564 = 4742^2 + 2242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27513128.

It is an unprimeable number.

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, 4850 + ... + 8862.

Almost surely, 2^27513128 is an apocalyptic number.

It is an amenable number.

27513128 is a deficient number, since it is larger than the sum of its proper divisors (24147052).

27513128 is a wasteful number, since it uses less digits than its factorization.

27513128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876 (or 4872 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 27513128 is about 5245.2957971882. The cubic root of 27513128 is about 301.8885602603. Note that the first 3 decimals are identical.

The spelling of 27513128 in words is "twenty-seven million, five hundred thirteen thousand, one hundred twenty-eight".