13620727 has 2 divisors, whose sum is σ = 13620728. Its totient is φ = 13620726.

The previous prime is 13620721. The next prime is 13620781. The reversal of 13620727 is 72702631.

It is a weak prime.

It is an emirp because it is prime and its reverse (72702631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13620727 - 2¹¹ = 13618679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13620695 and 13620704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13620721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6810363 + 6810364.

It is an arithmetic number, because the mean of its divisors is an integer number (6810364).

Almost surely, 2^13620727 is an apocalyptic number.

13620727 is a deficient number, since it is larger than the sum of its proper divisors (1).

13620727 is an equidigital number, since it uses as much as digits as its factorization.

13620727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 13620727 is about 3690.6269115152. The cubic root of 13620727 is about 238.8178382375.

The spelling of 13620727 in words is "thirteen million, six hundred twenty thousand, seven hundred twenty-seven".