13546121 has 2 divisors, whose sum is σ = 13546122. Its totient is φ = 13546120.

The previous prime is 13546109. The next prime is 13546123. The reversal of 13546121 is 12164531.

13546121 is digitally balanced in base 2, 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., 13542400 + 3721 = 3680^2 + 61^2 .

It is an emirp because it is prime and its reverse (12164531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13546121 is a prime.

Together with 13546123, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₈₂₄₁₀ and since 13546121 and 882410 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13546123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6773060 + 6773061.

It is an arithmetic number, because the mean of its divisors is an integer number (6773061).

Almost surely, 2^13546121 is an apocalyptic number.

It is an amenable number.

13546121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13546121 is an equidigital number, since it uses as much as digits as its factorization.

13546121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 13546121 is about 3680.5055359285. The cubic root of 13546121 is about 238.3810070845.

The spelling of 13546121 in words is "thirteen million, five hundred forty-six thousand, one hundred twenty-one".