13987627 has 2 divisors, whose sum is σ = 13987628. Its totient is φ = 13987626.

The previous prime is 13987621. The next prime is 13987663. The reversal of 13987627 is 72678931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13987627 - 2¹⁹ = 13463339 is a prime.

It is a super-2 number, since 2×13987627² = 391307418182258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13987621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993813 + 6993814.

It is an arithmetic number, because the mean of its divisors is an integer number (6993814).

Almost surely, 2^13987627 is an apocalyptic number.

13987627 is a deficient number, since it is larger than the sum of its proper divisors (1).

13987627 is an equidigital number, since it uses as much as digits as its factorization.

13987627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 13987627 is about 3740.0036096239. The cubic root of 13987627 is about 240.9432038471.

It can be divided in two parts, 1398 and 7627, that added together give a square (9025 = 95²).

The spelling of 13987627 in words is "thirteen million, nine hundred eighty-seven thousand, six hundred twenty-seven".