13194545 has 32 divisors (see below), whose sum is σ = 19934208. Its totient is φ = 8160768.

The previous prime is 13194529. The next prime is 13194547. The reversal of 13194545 is 54549131.

It is not a de Polignac number, because 13194545 - 2⁴ = 13194529 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13194547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21077 + ... + 21693.

It is an arithmetic number, because the mean of its divisors is an integer number (622944).

Almost surely, 2^13194545 is an apocalyptic number.

It is an amenable number.

13194545 is a deficient number, since it is larger than the sum of its proper divisors (6739663).

13194545 is a wasteful number, since it uses less digits than its factorization.

13194545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 10800, while the sum is 32.

The square root of 13194545 is about 3632.4296276735. The cubic root of 13194545 is about 236.3005901196.

The spelling of 13194545 in words is "thirteen million, one hundred ninety-four thousand, five hundred forty-five".