13026215 has 4 divisors (see below), whose sum is σ = 15631464. Its totient is φ = 10420968.

The previous prime is 13026203. The next prime is 13026239. The reversal of 13026215 is 51262031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51262031 = 389 ⋅131779.

It is a cyclic number.

It is not a de Polignac number, because 13026215 - 2¹⁸ = 12764071 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1302617 + ... + 1302626.

It is an arithmetic number, because the mean of its divisors is an integer number (3907866).

Almost surely, 2^13026215 is an apocalyptic number.

13026215 is a deficient number, since it is larger than the sum of its proper divisors (2605249).

13026215 is an equidigital number, since it uses as much as digits as its factorization.

13026215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605248.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13026215 is about 3609.1848110065. The cubic root of 13026215 is about 235.2914145462.

Adding to 13026215 its reverse (51262031), we get a palindrome (64288246).

The spelling of 13026215 in words is "thirteen million, twenty-six thousand, two hundred fifteen".