13644485 has 8 divisors (see below), whose sum is σ = 16581120. Its totient is φ = 10777104.

The previous prime is 13644473. The next prime is 13644539. The reversal of 13644485 is 58444631.

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 13644485 - 2⁸ = 13644229 is a prime.

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, 16877 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (2072640).

Almost surely, 2^13644485 is an apocalyptic number.

It is an amenable number.

13644485 is a deficient number, since it is larger than the sum of its proper divisors (2936635).

13644485 is an equidigital number, since it uses as much as digits as its factorization.

13644485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34627.

The product of its digits is 46080, while the sum is 35.

The square root of 13644485 is about 3693.8442035365. The cubic root of 13644485 is about 238.9566105298.

The spelling of 13644485 in words is "thirteen million, six hundred forty-four thousand, four hundred eighty-five".