13309630 has 8 divisors (see below), whose sum is σ = 23957352. Its totient is φ = 5323848.

The previous prime is 13309627. The next prime is 13309643. The reversal of 13309630 is 3690331.

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

It is a junction number, because it is equal to n+sod(n) for n = 13309595 and 13309604.

It is a congruent number.

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, 665472 + ... + 665491.

It is an arithmetic number, because the mean of its divisors is an integer number (2994669).

Almost surely, 2^13309630 is an apocalyptic number.

13309630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13309630 is a deficient number, since it is larger than the sum of its proper divisors (10647722).

13309630 is a wasteful number, since it uses less digits than its factorization.

13309630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330970.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 13309630 is about 3648.2365603124. The cubic root of 13309630 is about 236.9856199029.

Adding to 13309630 its reverse (3690331), we get a palindrome (16999961).

The spelling of 13309630 in words is "thirteen million, three hundred nine thousand, six hundred thirty".