13155427 has 2 divisors, whose sum is σ = 13155428. Its totient is φ = 13155426.

The previous prime is 13155421. The next prime is 13155437. The reversal of 13155427 is 72455131.

It is a happy number.

13155427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13155427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13155395 and 13155404.

It is not a weakly prime, because it can be changed into another prime (13155421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577713 + 6577714.

It is an arithmetic number, because the mean of its divisors is an integer number (6577714).

Almost surely, 2^13155427 is an apocalyptic number.

13155427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155427 is an equidigital number, since it uses as much as digits as its factorization.

13155427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 13155427 is about 3627.0410805504. The cubic root of 13155427 is about 236.0668380544.

The spelling of 13155427 in words is "thirteen million, one hundred fifty-five thousand, four hundred twenty-seven".