27413287 has 4 divisors (see below), whose sum is σ = 29905416. Its totient is φ = 24921160.

The previous prime is 27413273. The next prime is 27413291. The reversal of 27413287 is 78231472.

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

It is not a de Polignac number, because 27413287 - 2⁷ = 27413159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27413227) 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, 1246048 + ... + 1246069.

It is an arithmetic number, because the mean of its divisors is an integer number (7476354).

Almost surely, 2^27413287 is an apocalyptic number.

27413287 is a deficient number, since it is larger than the sum of its proper divisors (2492129).

27413287 is a wasteful number, since it uses less digits than its factorization.

27413287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492128.

The product of its digits is 18816, while the sum is 34.

The square root of 27413287 is about 5235.7699529296. The cubic root of 27413287 is about 301.5229482719.

It can be divided in two parts, 27 and 413287, that added together give a palindrome (413314).

The spelling of 27413287 in words is "twenty-seven million, four hundred thirteen thousand, two hundred eighty-seven".