13313251 has 12 divisors (see below), whose sum is σ = 16161552. Its totient is φ = 10914288.

The previous prime is 13313221. The next prime is 13313257. The reversal of 13313251 is 15231331.

13313251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13313251 - 2¹⁵ = 13280483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4780 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (1346796).

Almost surely, 2^13313251 is an apocalyptic number.

13313251 is a deficient number, since it is larger than the sum of its proper divisors (2848301).

13313251 is a wasteful number, since it uses less digits than its factorization.

13313251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850 (or 11843 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 13313251 is about 3648.7327937244. The cubic root of 13313251 is about 237.0071092837.

Adding to 13313251 its reverse (15231331), we get a palindrome (28544582).

The spelling of 13313251 in words is "thirteen million, three hundred thirteen thousand, two hundred fifty-one".