13055549 has 4 divisors (see below), whose sum is σ = 14059836. Its totient is φ = 12051264.

The previous prime is 13055533. The next prime is 13055569. The reversal of 13055549 is 94555031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94555031 = 71 ⋅1331761.

It can be written as a sum of positive squares in 2 ways, for example, as 4972900 + 8082649 = 2230^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 13055549 - 2⁴ = 13055533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502124 + ... + 502149.

It is an arithmetic number, because the mean of its divisors is an integer number (3514959).

Almost surely, 2^13055549 is an apocalyptic number.

It is an amenable number.

13055549 is a deficient number, since it is larger than the sum of its proper divisors (1004287).

13055549 is a wasteful number, since it uses less digits than its factorization.

13055549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004286.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 13055549 is about 3613.2463242907. The cubic root of 13055549 is about 235.4679013174.

The spelling of 13055549 in words is "thirteen million, fifty-five thousand, five hundred forty-nine".