14178013 has 4 divisors (see below), whose sum is σ = 14666940. Its totient is φ = 13689088.

The previous prime is 14178001. The next prime is 14178019. The reversal of 14178013 is 31087141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 11002489 = 1782^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 14178013 - 2⁵ = 14177981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14178019) 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, 244420 + ... + 244477.

It is an arithmetic number, because the mean of its divisors is an integer number (3666735).

Almost surely, 2^14178013 is an apocalyptic number.

It is an amenable number.

14178013 is a deficient number, since it is larger than the sum of its proper divisors (488927).

14178013 is an equidigital number, since it uses as much as digits as its factorization.

14178013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488926.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 14178013 is about 3765.3702341204. The cubic root of 14178013 is about 242.0314429923.

The spelling of 14178013 in words is "fourteen million, one hundred seventy-eight thousand, thirteen".