13541897 has 2 divisors, whose sum is σ = 13541898. Its totient is φ = 13541896.

The previous prime is 13541893. The next prime is 13541903. The reversal of 13541897 is 79814531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 175561 = 3656^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 13541897 - 2² = 13541893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13541897.

It is not a weakly prime, because it can be changed into another prime (13541893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770948 + 6770949.

It is an arithmetic number, because the mean of its divisors is an integer number (6770949).

Almost surely, 2^13541897 is an apocalyptic number.

It is an amenable number.

13541897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541897 is an equidigital number, since it uses as much as digits as its factorization.

13541897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 13541897 is about 3679.9316569741. The cubic root of 13541897 is about 238.3562269020.

The spelling of 13541897 in words is "thirteen million, five hundred forty-one thousand, eight hundred ninety-seven".