13652215 has 4 divisors (see below), whose sum is σ = 16382664. Its totient is φ = 10921768.

The previous prime is 13652209. The next prime is 13652251. The reversal of 13652215 is 51225631.

13652215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51225631 = 1093 ⋅46867.

It is a cyclic number.

It is not a de Polignac number, because 13652215 - 2²³ = 5263607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13652215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365217 + ... + 1365226.

It is an arithmetic number, because the mean of its divisors is an integer number (4095666).

Almost surely, 2^13652215 is an apocalyptic number.

13652215 is a deficient number, since it is larger than the sum of its proper divisors (2730449).

13652215 is an equidigital number, since it uses as much as digits as its factorization.

13652215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730448.

The product of its digits is 1800, while the sum is 25.

The square root of 13652215 is about 3694.8903907965. The cubic root of 13652215 is about 239.0017273149.

Adding to 13652215 its reverse (51225631), we get a palindrome (64877846).

The spelling of 13652215 in words is "thirteen million, six hundred fifty-two thousand, two hundred fifteen".