13645834 has 8 divisors (see below), whose sum is σ = 21174660. Its totient is φ = 6587616.

The previous prime is 13645829. The next prime is 13645837. The reversal of 13645834 is 43854631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 664225 = 3603^2 + 815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13645834.

It is not an unprimeable number, because it can be changed into a prime (13645837) 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, 117579 + ... + 117694.

Almost surely, 2^13645834 is an apocalyptic number.

13645834 is a deficient number, since it is larger than the sum of its proper divisors (7528826).

13645834 is a wasteful number, since it uses less digits than its factorization.

13645834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235304.

The product of its digits is 34560, while the sum is 34.

The square root of 13645834 is about 3694.0268001193. The cubic root of 13645834 is about 238.9644853072.

The spelling of 13645834 in words is "thirteen million, six hundred forty-five thousand, eight hundred thirty-four".