13308849 has 24 divisors (see below), whose sum is σ = 19948032. Its totient is φ = 8544960.

The previous prime is 13308847. The next prime is 13308851. The reversal of 13308849 is 94880331.

13308849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13308847) and next prime (13308851).

It is not a de Polignac number, because 13308849 - 2¹ = 13308847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13308847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30664 + ... + 31094.

It is an arithmetic number, because the mean of its divisors is an integer number (831168).

Almost surely, 2^13308849 is an apocalyptic number.

It is an amenable number.

13308849 is a deficient number, since it is larger than the sum of its proper divisors (6639183).

13308849 is a wasteful number, since it uses less digits than its factorization.

13308849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13308849 is about 3648.1295207270. The cubic root of 13308849 is about 236.9809844274.

The spelling of 13308849 in words is "thirteen million, three hundred eight thousand, eight hundred forty-nine".