1152713216 has 40 divisors (see below), whose sum is σ = 2334801084. Its totient is φ = 568442880.

The previous prime is 1152713129. The next prime is 1152713227. The reversal of 1152713216 is 6123172511.

It can be written as a sum of positive squares in 2 ways, for example, as 1108623616 + 44089600 = 33296^2 + 6640^2 .

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, 21956 + ... + 52796.

Almost surely, 2^1152713216 is an apocalyptic number.

1152713216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152713216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167400542).

1152713216 is an abundant number, since it is smaller than the sum of its proper divisors (1182087868).

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

1152713216 is an frugal number, since it uses more digits than its factorization.

1152713216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30932 (or 30916 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1152713216 is about 33951.6305352188. The cubic root of 1152713216 is about 1048.5128504022.

Adding to 1152713216 its reverse (6123172511), we get a palindrome (7275885727).

The spelling of 1152713216 in words is "one billion, one hundred fifty-two million, seven hundred thirteen thousand, two hundred sixteen".