14113981 has 16 divisors (see below), whose sum is σ = 16813440. Its totient is φ = 11592000.

The previous prime is 14113943. The next prime is 14113991. The reversal of 14113981 is 18931141.

It is not a de Polignac number, because 14113981 - 2⁹ = 14113469 is a prime.

It is a super-2 number, since 2×14113981² = 398408919336722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14113991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50815 + ... + 51091.

It is an arithmetic number, because the mean of its divisors is an integer number (1050840).

Almost surely, 2^14113981 is an apocalyptic number.

It is an amenable number.

14113981 is a deficient number, since it is larger than the sum of its proper divisors (2699459).

14113981 is a wasteful number, since it uses less digits than its factorization.

14113981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its digits is 864, while the sum is 28.

The square root of 14113981 is about 3756.8578626294. The cubic root of 14113981 is about 241.6665318007. Note that the first 3 decimals are identical.

The spelling of 14113981 in words is "fourteen million, one hundred thirteen thousand, nine hundred eighty-one".