11502313 has 2 divisors, whose sum is σ = 11502314. Its totient is φ = 11502312.

The previous prime is 11502311. The next prime is 11502329. The reversal of 11502313 is 31320511.

It is an a-pointer prime, because the next prime (11502329) can be obtained adding 11502313 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 1024144 = 3237^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 11502313 - 2¹ = 11502311 is a prime.

Together with 11502311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11502311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5751156 + 5751157.

It is an arithmetic number, because the mean of its divisors is an integer number (5751157).

Almost surely, 2^11502313 is an apocalyptic number.

It is an amenable number.

11502313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11502313 is an equidigital number, since it uses as much as digits as its factorization.

11502313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11502313 is about 3391.5060076609. The cubic root of 11502313 is about 225.7330036705.

Adding to 11502313 its reverse (31320511), we get a palindrome (42822824).

The spelling of 11502313 in words is "eleven million, five hundred two thousand, three hundred thirteen".