13318634 has 8 divisors (see below), whose sum is σ = 22831968. Its totient is φ = 5707980.

The previous prime is 13318619. The next prime is 13318649. The reversal of 13318634 is 43681331.

It is an interprime number because it is at equal distance from previous prime (13318619) and next prime (13318649).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13318597 and 13318606.

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, 475652 + ... + 475679.

It is an arithmetic number, because the mean of its divisors is an integer number (2853996).

Almost surely, 2^13318634 is an apocalyptic number.

13318634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13318634 is a deficient number, since it is larger than the sum of its proper divisors (9513334).

13318634 is an equidigital number, since it uses as much as digits as its factorization.

13318634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951340.

The product of its digits is 5184, while the sum is 29.

The square root of 13318634 is about 3649.4703725335. The cubic root of 13318634 is about 237.0390483234.

Adding to 13318634 its reverse (43681331), we get a palindrome (56999965).

The spelling of 13318634 in words is "thirteen million, three hundred eighteen thousand, six hundred thirty-four".