13630345 has 8 divisors (see below), whose sum is σ = 17318664. Its totient is φ = 10262784.

The previous prime is 13630307. The next prime is 13630363. The reversal of 13630345 is 54303631.

It can be written as a sum of positive squares in 4 ways, for example, as 6702921 + 6927424 = 2589^2 + 2632^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13630345 - 2⁷ = 13630217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80094 + ... + 80263.

It is an arithmetic number, because the mean of its divisors is an integer number (2164833).

Almost surely, 2^13630345 is an apocalyptic number.

It is an amenable number.

13630345 is a deficient number, since it is larger than the sum of its proper divisors (3688319).

13630345 is a wasteful number, since it uses less digits than its factorization.

13630345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160379.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 13630345 is about 3691.9297122237. The cubic root of 13630345 is about 238.8740371353.

Adding to 13630345 its reverse (54303631), we get a palindrome (67933976).

The spelling of 13630345 in words is "thirteen million, six hundred thirty thousand, three hundred forty-five".