13051315 has 4 divisors (see below), whose sum is σ = 15661584. Its totient is φ = 10441048.

The previous prime is 13051307. The next prime is 13051319. The reversal of 13051315 is 51315031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13051315 - 2³ = 13051307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13051292 and 13051301.

It is not an unprimeable number, because it can be changed into a prime (13051319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305127 + ... + 1305136.

It is an arithmetic number, because the mean of its divisors is an integer number (3915396).

Almost surely, 2^13051315 is an apocalyptic number.

13051315 is a deficient number, since it is larger than the sum of its proper divisors (2610269).

13051315 is an equidigital number, since it uses as much as digits as its factorization.

13051315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610268.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13051315 is about 3612.6603770629. The cubic root of 13051315 is about 235.4424439713.

Adding to 13051315 its reverse (51315031), we get a palindrome (64366346).

It can be divided in two parts, 13051 and 315, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 13051315 in words is "thirteen million, fifty-one thousand, three hundred fifteen".