14061981 has 8 divisors (see below), whose sum is σ = 18921760. Its totient is φ = 9288432.

The previous prime is 14061979. The next prime is 14061991. The reversal of 14061981 is 18916041.

14061981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14061981 - 2¹ = 14061979 is a prime.

It is a super-2 number, since 2×14061981² = 395478619288722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14061991) 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, 21175 + ... + 21828.

It is an arithmetic number, because the mean of its divisors is an integer number (2365220).

Almost surely, 2^14061981 is an apocalyptic number.

It is an amenable number.

14061981 is a deficient number, since it is larger than the sum of its proper divisors (4859779).

14061981 is a wasteful number, since it uses less digits than its factorization.

14061981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43115.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 14061981 is about 3749.9307993615. The cubic root of 14061981 is about 241.3693766986.

The spelling of 14061981 in words is "fourteen million, sixty-one thousand, nine hundred eighty-one".