13163215 has 16 divisors (see below), whose sum is σ = 17091648. Its totient is φ = 9674496.

The previous prime is 13163201. The next prime is 13163221. The reversal of 13163215 is 51236131.

It is a happy number.

It is not a de Polignac number, because 13163215 - 2¹⁷ = 13032143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20022 + ... + 20668.

It is an arithmetic number, because the mean of its divisors is an integer number (1068228).

Almost surely, 2^13163215 is an apocalyptic number.

13163215 is a deficient number, since it is larger than the sum of its proper divisors (3928433).

13163215 is a wasteful number, since it uses less digits than its factorization.

13163215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 540, while the sum is 22.

The square root of 13163215 is about 3628.1145241020. The cubic root of 13163215 is about 236.1134126445.

Adding to 13163215 its reverse (51236131), we get a palindrome (64399346).

The spelling of 13163215 in words is "thirteen million, one hundred sixty-three thousand, two hundred fifteen".