13994547 has 48 divisors (see below), whose sum is σ = 23288832. Its totient is φ = 7439040.

The previous prime is 13994537. The next prime is 13994567. The reversal of 13994547 is 74549931.

13994547 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13994547 - 2⁴ = 13994531 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

Its product of digits (136080) is a multiple of the sum of its prime factors (168).

It is a junction number, because it is equal to n+sod(n) for n = 13994499 and 13994508.

It is not an unprimeable number, because it can be changed into a prime (13994537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168568 + ... + 168650.

It is an arithmetic number, because the mean of its divisors is an integer number (485184).

Almost surely, 2^13994547 is an apocalyptic number.

13994547 is a deficient number, since it is larger than the sum of its proper divisors (9294285).

13994547 is a wasteful number, since it uses less digits than its factorization.

13994547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13994547 is about 3740.9286280281. The cubic root of 13994547 is about 240.9829306735.

It can be divided in two parts, 13994 and 547, that added together give a palindrome (14541).

The spelling of 13994547 in words is "thirteen million, nine hundred ninety-four thousand, five hundred forty-seven".