13066215 has 16 divisors (see below), whose sum is σ = 20951136. Its totient is φ = 6953600.

The previous prime is 13066177. The next prime is 13066223. The reversal of 13066215 is 51266031.

It is not a de Polignac number, because 13066215 - 2¹⁰ = 13065191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (1309446).

Almost surely, 2^13066215 is an apocalyptic number.

13066215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13066215 is a deficient number, since it is larger than the sum of its proper divisors (7884921).

13066215 is a wasteful number, since it uses less digits than its factorization.

13066215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13066215 is about 3614.7219810104. The cubic root of 13066215 is about 235.5320073156.

The spelling of 13066215 in words is "thirteen million, sixty-six thousand, two hundred fifteen".