13601111 has 2 divisors, whose sum is σ = 13601112. Its totient is φ = 13601110.

The previous prime is 13601099. The next prime is 13601113. The reversal of 13601111 is 11110631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13601111 - 2²² = 9406807 is a prime.

Together with 13601113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13601113) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800555 + 6800556.

It is an arithmetic number, because the mean of its divisors is an integer number (6800556).

Almost surely, 2^13601111 is an apocalyptic number.

13601111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13601111 is an equidigital number, since it uses as much as digits as its factorization.

13601111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 13601111 is about 3687.9684109276. The cubic root of 13601111 is about 238.7031380116.

Adding to 13601111 its reverse (11110631), we get a palindrome (24711742).

The spelling of 13601111 in words is "thirteen million, six hundred one thousand, one hundred eleven".