13559445 has 24 divisors (see below), whose sum is σ = 24741600. Its totient is φ = 6850656.

The previous prime is 13559419. The next prime is 13559449. The reversal of 13559445 is 54495531.

13559445 = T₃₇₉ + T₃₈₀ + ... + T₅₁₃.

13559445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13559445 - 2⁷ = 13559317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13559449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7075 + ... + 8784.

It is an arithmetic number, because the mean of its divisors is an integer number (1030900).

Almost surely, 2^13559445 is an apocalyptic number.

13559445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13559445 is a deficient number, since it is larger than the sum of its proper divisors (11182155).

13559445 is a wasteful number, since it uses less digits than its factorization.

13559445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889 (or 15886 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 13559445 is about 3682.3151684776. The cubic root of 13559445 is about 238.4591388670.

The spelling of 13559445 in words is "thirteen million, five hundred fifty-nine thousand, four hundred forty-five".