13445636 has 12 divisors (see below), whose sum is σ = 23654400. Its totient is φ = 6687240.

The previous prime is 13445633. The next prime is 13445659. The reversal of 13445636 is 63654431.

It is not an unprimeable number, because it can be changed into a prime (13445633) 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, 8036 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (1971200).

Almost surely, 2^13445636 is an apocalyptic number.

It is an amenable number.

13445636 is a deficient number, since it is larger than the sum of its proper divisors (10208764).

13445636 is a wasteful number, since it uses less digits than its factorization.

13445636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17794 (or 17792 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 13445636 is about 3666.8291479151. The cubic root of 13445636 is about 237.7901075376.

The spelling of 13445636 in words is "thirteen million, four hundred forty-five thousand, six hundred thirty-six".