13215752 has 32 divisors (see below), whose sum is σ = 27388800. Its totient is φ = 5928000.

The previous prime is 13215751. The next prime is 13215767. The reversal of 13215752 is 25751231.

It is a super-2 number, since 2×13215752² = 349312201851008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215751) 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, 6002 + ... + 7902.

It is an arithmetic number, because the mean of its divisors is an integer number (855900).

Almost surely, 2^13215752 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 13215752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13694400).

13215752 is an abundant number, since it is smaller than the sum of its proper divisors (14173048).

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

13215752 is a wasteful number, since it uses less digits than its factorization.

13215752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 13215752 is about 3635.3475762298. The cubic root of 13215752 is about 236.4271207992.

Adding to 13215752 its reverse (25751231), we get a palindrome (38966983).

The spelling of 13215752 in words is "thirteen million, two hundred fifteen thousand, seven hundred fifty-two".