13288215 has 8 divisors (see below), whose sum is σ = 21261168. Its totient is φ = 7087040.

The previous prime is 13288211. The next prime is 13288259. The reversal of 13288215 is 51288231.

13288215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13288215 - 2² = 13288211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442926 + ... + 442955.

It is an arithmetic number, because the mean of its divisors is an integer number (2657646).

Almost surely, 2^13288215 is an apocalyptic number.

13288215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13288215 is a deficient number, since it is larger than the sum of its proper divisors (7972953).

13288215 is an equidigital number, since it uses as much as digits as its factorization.

13288215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885889.

The product of its digits is 3840, while the sum is 30.

The square root of 13288215 is about 3645.3003991441. The cubic root of 13288215 is about 236.8584495413.

The spelling of 13288215 in words is "thirteen million, two hundred eighty-eight thousand, two hundred fifteen".