13309348 has 36 divisors (see below), whose sum is σ = 26509980. Its totient is φ = 5811264.

The previous prime is 13309339. The next prime is 13309357. The reversal of 13309348 is 84390331.

It is an interprime number because it is at equal distance from previous prime (13309339) and next prime (13309357).

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 11437924 = 1368^2 + 3382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18418 + ... + 19126.

Almost surely, 2^13309348 is an apocalyptic number.

It is an amenable number.

13309348 is a deficient number, since it is larger than the sum of its proper divisors (13200632).

13309348 is a wasteful number, since it uses less digits than its factorization.

13309348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 13309348 is about 3648.1979112981. The cubic root of 13309348 is about 236.9839461670.

Adding to 13309348 its reverse (84390331), we get a palindrome (97699679).

The spelling of 13309348 in words is "thirteen million, three hundred nine thousand, three hundred forty-eight".