13827087 has 6 divisors (see below), whose sum is σ = 19972472. Its totient is φ = 9218052.

The previous prime is 13827067. The next prime is 13827101. The reversal of 13827087 is 78072831.

It is not a de Polignac number, because 13827087 - 2⁷ = 13826959 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 (13827007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768163 + ... + 768180.

Almost surely, 2^13827087 is an apocalyptic number.

13827087 is a deficient number, since it is larger than the sum of its proper divisors (6145385).

13827087 is a wasteful number, since it uses less digits than its factorization.

13827087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536349 (or 1536346 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 13827087 is about 3718.4791245884. The cubic root of 13827087 is about 240.0178632537.

It can be divided in two parts, 138 and 27087, that added together give a square (27225 = 165²).

The spelling of 13827087 in words is "thirteen million, eight hundred twenty-seven thousand, eighty-seven".