14021113 has 4 divisors (see below), whose sum is σ = 14400100. Its totient is φ = 13642128.

The previous prime is 14021101. The next prime is 14021129. The reversal of 14021113 is 31112041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31112041 = 29 ⋅1072829.

It can be written as a sum of positive squares in 2 ways, for example, as 8809024 + 5212089 = 2968^2 + 2283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14021093 and 14021102.

It is not an unprimeable number, because it can be changed into a prime (14021143) 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, 189438 + ... + 189511.

It is an arithmetic number, because the mean of its divisors is an integer number (3600025).

Almost surely, 2^14021113 is an apocalyptic number.

It is an amenable number.

14021113 is a deficient number, since it is larger than the sum of its proper divisors (378987).

14021113 is an equidigital number, since it uses as much as digits as its factorization.

14021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378986.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 14021113 is about 3744.4776671787. The cubic root of 14021113 is about 241.1353211210.

Adding to 14021113 its reverse (31112041), we get a palindrome (45133154).

The spelling of 14021113 in words is "fourteen million, twenty-one thousand, one hundred thirteen".