13611445 has 8 divisors (see below), whose sum is σ = 16357536. Its totient is φ = 10873296.

The previous prime is 13611427. The next prime is 13611457. The reversal of 13611445 is 54411631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13611445 - 2⁵ = 13611413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874 + ... + 5956.

It is an arithmetic number, because the mean of its divisors is an integer number (2044692).

Almost surely, 2^13611445 is an apocalyptic number.

It is an amenable number.

13611445 is a deficient number, since it is larger than the sum of its proper divisors (2746091).

13611445 is an equidigital number, since it uses as much as digits as its factorization.

13611445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its digits is 1440, while the sum is 25.

The square root of 13611445 is about 3689.3691872731. The cubic root of 13611445 is about 238.7635775289.

The spelling of 13611445 in words is "thirteen million, six hundred eleven thousand, four hundred forty-five".