13275121 has 2 divisors, whose sum is σ = 13275122. Its totient is φ = 13275120.

The previous prime is 13275109. The next prime is 13275131. The reversal of 13275121 is 12157231.

It is a happy number.

13275121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 2146225 = 3336^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 13275121 - 2⁷ = 13274993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13275092 and 13275101.

It is not a weakly prime, because it can be changed into another prime (13275131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637560 + 6637561.

It is an arithmetic number, because the mean of its divisors is an integer number (6637561).

Almost surely, 2^13275121 is an apocalyptic number.

It is an amenable number.

13275121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13275121 is an equidigital number, since it uses as much as digits as its factorization.

13275121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 13275121 is about 3643.5039453801. The cubic root of 13275121 is about 236.7806250983.

The spelling of 13275121 in words is "thirteen million, two hundred seventy-five thousand, one hundred twenty-one".