13215011 has 8 divisors (see below), whose sum is σ = 13502160. Its totient is φ = 12931072.

The previous prime is 13214983. The next prime is 13215029. The reversal of 13215011 is 11051231.

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

It is a cyclic number.

It is not a de Polignac number, because 13215011 - 2⁶ = 13214947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13215091) 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 7 ways as a sum of consecutive naturals, for example, 8675 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (1687770).

Almost surely, 2^13215011 is an apocalyptic number.

13215011 is a deficient number, since it is larger than the sum of its proper divisors (287149).

13215011 is a wasteful number, since it uses less digits than its factorization.

13215011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 13215011 is about 3635.2456588242. The cubic root of 13215011 is about 236.4227019368.

Adding to 13215011 its reverse (11051231), we get a palindrome (24266242).

The spelling of 13215011 in words is "thirteen million, two hundred fifteen thousand, eleven".