13194445 has 24 divisors (see below), whose sum is σ = 17648568. Its totient is φ = 9461760.

The previous prime is 13194443. The next prime is 13194481. The reversal of 13194445 is 54449131.

13194445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 12938409 = 506^2 + 3597^2 .

It is not a de Polignac number, because 13194445 - 2¹ = 13194443 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 (13194443) 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, 68269 + ... + 68461.

It is an arithmetic number, because the mean of its divisors is an integer number (735357).

Almost surely, 2^13194445 is an apocalyptic number.

It is an amenable number.

13194445 is a deficient number, since it is larger than the sum of its proper divisors (4454123).

13194445 is a wasteful number, since it uses less digits than its factorization.

13194445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 322 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 13194445 is about 3632.4158627558. The cubic root of 13194445 is about 236.2999931528.

The spelling of 13194445 in words is "thirteen million, one hundred ninety-four thousand, four hundred forty-five".