13934545 has 4 divisors (see below), whose sum is σ = 16721460. Its totient is φ = 11147632.

The previous prime is 13934539. The next prime is 13934551. The reversal of 13934545 is 54543931.

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

It is an interprime number because it is at equal distance from previous prime (13934539) and next prime (13934551).

It can be written as a sum of positive squares in 2 ways, for example, as 8116801 + 5817744 = 2849^2 + 2412^2 .

It is a cyclic number.

It is not a de Polignac number, because 13934545 - 2¹⁵ = 13901777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13934545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393450 + ... + 1393459.

It is an arithmetic number, because the mean of its divisors is an integer number (4180365).

Almost surely, 2^13934545 is an apocalyptic number.

It is an amenable number.

13934545 is a deficient number, since it is larger than the sum of its proper divisors (2786915).

13934545 is an equidigital number, since it uses as much as digits as its factorization.

13934545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786914.

The product of its digits is 32400, while the sum is 34.

The square root of 13934545 is about 3732.9003469153. The cubic root of 13934545 is about 240.6380303283.

The spelling of 13934545 in words is "thirteen million, nine hundred thirty-four thousand, five hundred forty-five".