13987341 has 24 divisors (see below), whose sum is σ = 21141120. Its totient is φ = 8902656.

The previous prime is 13987339. The next prime is 13987343. The reversal of 13987341 is 14378931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13987339) and next prime (13987343).

It is not a de Polignac number, because 13987341 - 2¹ = 13987339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13987296 and 13987305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13987343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17805 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (880880).

Almost surely, 2^13987341 is an apocalyptic number.

It is an amenable number.

13987341 is a deficient number, since it is larger than the sum of its proper divisors (7153779).

13987341 is a wasteful number, since it uses less digits than its factorization.

13987341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13987341 is about 3739.9653741713. The cubic root of 13987341 is about 240.9415616761.

The spelling of 13987341 in words is "thirteen million, nine hundred eighty-seven thousand, three hundred forty-one".