13215153 has 12 divisors (see below), whose sum is σ = 20497200. Its totient is φ = 7551432.

The previous prime is 13215151. The next prime is 13215187. The reversal of 13215153 is 35151231.

13215153 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13215153 - 2¹ = 13215151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13215151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44803 + ... + 45096.

It is an arithmetic number, because the mean of its divisors is an integer number (1708100).

Almost surely, 2^13215153 is an apocalyptic number.

It is an amenable number.

13215153 is a deficient number, since it is larger than the sum of its proper divisors (7282047).

13215153 is an equidigital number, since it uses as much as digits as its factorization.

13215153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89916 (or 89909 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 13215153 is about 3635.2651897764. The cubic root of 13215153 is about 236.4235487491.

Adding to 13215153 its reverse (35151231), we get a palindrome (48366384).

The spelling of 13215153 in words is "thirteen million, two hundred fifteen thousand, one hundred fifty-three".