13070549 has 4 divisors (see below), whose sum is σ = 13084236. Its totient is φ = 13056864.

The previous prime is 13070543. The next prime is 13070557. The reversal of 13070549 is 94507031.

13070549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5726449 + 7344100 = 2393^2 + 2710^2 .

It is a cyclic number.

It is not a de Polignac number, because 13070549 - 2²⁰ = 12021973 is a prime.

It is a super-2 number, since 2×13070549² = 341678502322802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070543) 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, 5294 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (3271059).

Almost surely, 2^13070549 is an apocalyptic number.

It is an amenable number.

13070549 is a deficient number, since it is larger than the sum of its proper divisors (13687).

13070549 is a wasteful number, since it uses less digits than its factorization.

13070549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13686.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13070549 is about 3615.3214241613. The cubic root of 13070549 is about 235.5580460442.

The spelling of 13070549 in words is "thirteen million, seventy thousand, five hundred forty-nine".