13927679 has 2 divisors, whose sum is σ = 13927680. Its totient is φ = 13927678.

The previous prime is 13927663. The next prime is 13927687. The reversal of 13927679 is 97672931.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (97672931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13927679 - 2⁴ = 13927663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13927609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6963839 + 6963840.

It is an arithmetic number, because the mean of its divisors is an integer number (6963840).

Almost surely, 2^13927679 is an apocalyptic number.

13927679 is a deficient number, since it is larger than the sum of its proper divisors (1).

13927679 is an equidigital number, since it uses as much as digits as its factorization.

13927679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 13927679 is about 3731.9805733685. The cubic root of 13927679 is about 240.5985004606.

The spelling of 13927679 in words is "thirteen million, nine hundred twenty-seven thousand, six hundred seventy-nine".