13549061 has 4 divisors (see below), whose sum is σ = 14016300. Its totient is φ = 13081824.

The previous prime is 13549037. The next prime is 13549073. The reversal of 13549061 is 16094531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9672100 + 3876961 = 3110^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 13549061 - 2¹⁰ = 13548037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 467209 = 13549061 / (1 + 3 + 5 + 4 + 9 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13549021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233576 + ... + 233633.

It is an arithmetic number, because the mean of its divisors is an integer number (3504075).

Almost surely, 2^13549061 is an apocalyptic number.

It is an amenable number.

13549061 is a deficient number, since it is larger than the sum of its proper divisors (467239).

13549061 is an equidigital number, since it uses as much as digits as its factorization.

13549061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467238.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13549061 is about 3680.9049159140. The cubic root of 13549061 is about 238.3982516144.

The spelling of 13549061 in words is "thirteen million, five hundred forty-nine thousand, sixty-one".