11142013 has 2 divisors, whose sum is σ = 11142014. Its totient is φ = 11142012.

The previous prime is 11142011. The next prime is 11142029. The reversal of 11142013 is 31024111.

11142013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 33124 = 3333^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142013 - 2¹ = 11142011 is a prime.

Together with 11142011, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11141984 and 11142002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571006 + 5571007.

It is an arithmetic number, because the mean of its divisors is an integer number (5571007).

Almost surely, 2^11142013 is an apocalyptic number.

It is an amenable number.

11142013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142013 is an equidigital number, since it uses as much as digits as its factorization.

11142013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11142013 is about 3337.9653982628. The cubic root of 11142013 is about 223.3509926384.

Adding to 11142013 its reverse (31024111), we get a palindrome (42166124).

It can be divided in two parts, 111 and 42013, that added together give a palindrome (42124).

The spelling of 11142013 in words is "eleven million, one hundred forty-two thousand, thirteen".