13601879 has 2 divisors, whose sum is σ = 13601880. Its totient is φ = 13601878.

The previous prime is 13601869. The next prime is 13601893. The reversal of 13601879 is 97810631.

It is a weak prime.

It is an emirp because it is prime and its reverse (97810631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13601879 is a prime.

It is a super-2 number, since 2×13601879² = 370022224661282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13601869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800939 + 6800940.

It is an arithmetic number, because the mean of its divisors is an integer number (6800940).

Almost surely, 2^13601879 is an apocalyptic number.

13601879 is a deficient number, since it is larger than the sum of its proper divisors (1).

13601879 is an equidigital number, since it uses as much as digits as its factorization.

13601879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13601879 is about 3688.0725318247. The cubic root of 13601879 is about 238.7076307955.

The spelling of 13601879 in words is "thirteen million, six hundred one thousand, eight hundred seventy-nine".