14013581 has 8 divisors (see below), whose sum is σ = 14531328. Its totient is φ = 13500000.

The previous prime is 14013577. The next prime is 14013607. The reversal of 14013581 is 18531041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14013581 - 2² = 14013577 is a prime.

It is a super-2 number, since 2×14013581² = 392760904887122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14013511) 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 7 ways as a sum of consecutive naturals, for example, 6881 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (1816416).

Almost surely, 2^14013581 is an apocalyptic number.

It is an amenable number.

14013581 is a deficient number, since it is larger than the sum of its proper divisors (517747).

14013581 is a wasteful number, since it uses less digits than its factorization.

14013581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 14013581 is about 3743.4717843200. The cubic root of 14013581 is about 241.0921349023.

The spelling of 14013581 in words is "fourteen million, thirteen thousand, five hundred eighty-one".