11532013 has 2 divisors, whose sum is σ = 11532014. Its totient is φ = 11532012.

The previous prime is 11532011. The next prime is 11532043. The reversal of 11532013 is 31023511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7193124 + 4338889 = 2682^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 11532013 - 2¹ = 11532011 is a prime.

Together with 11532011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11532011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766006 + 5766007.

It is an arithmetic number, because the mean of its divisors is an integer number (5766007).

Almost surely, 2^11532013 is an apocalyptic number.

It is an amenable number.

11532013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532013 is an equidigital number, since it uses as much as digits as its factorization.

11532013 is an evil number, because the sum of its binary digits is even.

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

The square root of 11532013 is about 3395.8817706157. The cubic root of 11532013 is about 225.9271242829.

Adding to 11532013 its reverse (31023511), we get a palindrome (42555524).

The spelling of 11532013 in words is "eleven million, five hundred thirty-two thousand, thirteen".