13206315 has 8 divisors (see below), whose sum is σ = 21130128. Its totient is φ = 7043360.

The previous prime is 13206307. The next prime is 13206329. The reversal of 13206315 is 51360231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13206315 - 2³ = 13206307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13206291 and 13206300.

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 7 ways as a sum of consecutive naturals, for example, 440196 + ... + 440225.

It is an arithmetic number, because the mean of its divisors is an integer number (2641266).

Almost surely, 2^13206315 is an apocalyptic number.

13206315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13206315 is a deficient number, since it is larger than the sum of its proper divisors (7923813).

13206315 is an equidigital number, since it uses as much as digits as its factorization.

13206315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880429.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13206315 is about 3634.0493942708. The cubic root of 13206315 is about 236.3708320608.

Adding to 13206315 its reverse (51360231), we get a palindrome (64566546).

The spelling of 13206315 in words is "thirteen million, two hundred six thousand, three hundred fifteen".