13998067 has 4 divisors (see below), whose sum is σ = 14108416. Its totient is φ = 13887720.

The previous prime is 13998059. The next prime is 13998073. The reversal of 13998067 is 76089931.

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

It is a cyclic number.

It is not a de Polignac number, because 13998067 - 2³ = 13998059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13998077) 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, 54984 + ... + 55237.

It is an arithmetic number, because the mean of its divisors is an integer number (3527104).

Almost surely, 2^13998067 is an apocalyptic number.

13998067 is a deficient number, since it is larger than the sum of its proper divisors (110349).

13998067 is a wasteful number, since it uses less digits than its factorization.

13998067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110348.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 13998067 is about 3741.3990698668. The cubic root of 13998067 is about 241.0031335141.

The spelling of 13998067 in words is "thirteen million, nine hundred ninety-eight thousand, sixty-seven".