13121314 has 16 divisors (see below), whose sum is σ = 21051576. Its totient is φ = 6112000.

The previous prime is 13121309. The next prime is 13121327. The reversal of 13121314 is 41312131.

It can be written as a sum of positive squares in 4 ways, for example, as 12131289 + 990025 = 3483^2 + 995^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 5344.

Almost surely, 2^13121314 is an apocalyptic number.

13121314 is a deficient number, since it is larger than the sum of its proper divisors (7930262).

13121314 is a wasteful number, since it uses less digits than its factorization.

13121314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its digits is 72, while the sum is 16.

The square root of 13121314 is about 3622.3354344953. The cubic root of 13121314 is about 235.8626151452.

Adding to 13121314 its reverse (41312131), we get a palindrome (54433445).

The spelling of 13121314 in words is "thirteen million, one hundred twenty-one thousand, three hundred fourteen".