13011113 has 2 divisors, whose sum is σ = 13011114. Its totient is φ = 13011112.

The previous prime is 13011107. The next prime is 13011121. The reversal of 13011113 is 31111031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 6390784 = 2573^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011113 - 2¹⁶ = 12945577 is a prime.

It is a super-2 number, since 2×13011113² = 338578122997538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13011094 and 13011103.

It is not a weakly prime, because it can be changed into another prime (13011133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505556 + 6505557.

It is an arithmetic number, because the mean of its divisors is an integer number (6505557).

Almost surely, 2^13011113 is an apocalyptic number.

It is an amenable number.

13011113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011113 is an equidigital number, since it uses as much as digits as its factorization.

13011113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 13011113 is about 3607.0920420749. The cubic root of 13011113 is about 235.2004506698.

Adding to 13011113 its reverse (31111031), we get a palindrome (44122144).

The spelling of 13011113 in words is "thirteen million, eleven thousand, one hundred thirteen".