13215013 has 16 divisors (see below), whose sum is σ = 16145920. Its totient is φ = 10563696.

The previous prime is 13214983. The next prime is 13215029. The reversal of 13215013 is 31051231.

It is not a de Polignac number, because 13215013 - 2¹³ = 13206821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8170 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (1009120).

Almost surely, 2^13215013 is an apocalyptic number.

It is an amenable number.

13215013 is a deficient number, since it is larger than the sum of its proper divisors (2930907).

13215013 is a wasteful number, since it uses less digits than its factorization.

13215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13215013 is about 3635.2459339087. The cubic root of 13215013 is about 236.4227138637.

Adding to 13215013 its reverse (31051231), we get a palindrome (44266244).

The spelling of 13215013 in words is "thirteen million, two hundred fifteen thousand, thirteen".