14394147 has 16 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 9238752.

The previous prime is 14394143. The next prime is 14394161. The reversal of 14394147 is 74149341.

It is not a de Polignac number, because 14394147 - 2² = 14394143 is a prime.

It is a super-3 number, since 3×14394147³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14394143) 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 15 ways as a sum of consecutive naturals, for example, 10804 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^14394147 is an apocalyptic number.

14394147 is a deficient number, since it is larger than the sum of its proper divisors (5523933).

14394147 is a wasteful number, since it uses less digits than its factorization.

14394147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its digits is 12096, while the sum is 33.

The square root of 14394147 is about 3793.9619133565. The cubic root of 14394147 is about 243.2551132002.

It can be divided in two parts, 14394 and 147, that added together give a palindrome (14541).

The spelling of 14394147 in words is "fourteen million, three hundred ninety-four thousand, one hundred forty-seven".