13020315 has 32 divisors (see below), whose sum is σ = 25975296. Its totient is φ = 5410560.

The previous prime is 13020307. The next prime is 13020331. The reversal of 13020315 is 51302031.

It is a happy number.

It is not a de Polignac number, because 13020315 - 2³ = 13020307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 13020294 and 13020303.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4482 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (811728).

Almost surely, 2^13020315 is an apocalyptic number.

13020315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13020315 is a deficient number, since it is larger than the sum of its proper divisors (12954981).

13020315 is a wasteful number, since it uses less digits than its factorization.

13020315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13020315 is about 3608.3673593469. The cubic root of 13020315 is about 235.2558854486.

Adding to 13020315 its reverse (51302031), we get a palindrome (64322346).

The spelling of 13020315 in words is "thirteen million, twenty thousand, three hundred fifteen".