13217364 has 96 divisors (see below), whose sum is σ = 37981440. Its totient is φ = 3953664.

The previous prime is 13217363. The next prime is 13217423. The reversal of 13217364 is 46371231.

13217364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13217364² = 349397422216992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42072 + ... + 42384.

It is an arithmetic number, because the mean of its divisors is an integer number (395640).

Almost surely, 2^13217364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13217364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18990720).

13217364 is an abundant number, since it is smaller than the sum of its proper divisors (24764076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13217364 is a wasteful number, since it uses less digits than its factorization.

13217364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 358 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13217364 is about 3635.5692814193. The cubic root of 13217364 is about 236.4367331927.

Adding to 13217364 its reverse (46371231), we get a palindrome (59588595).

The spelling of 13217364 in words is "thirteen million, two hundred seventeen thousand, three hundred sixty-four".