13773648 has 40 divisors (see below), whose sum is σ = 40666048. Its totient is φ = 3935232.

The previous prime is 13773647. The next prime is 13773667. The reversal of 13773648 is 84637731.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13773647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20161 + ... + 20832.

Almost surely, 2^13773648 is an apocalyptic number.

It is an amenable number.

13773648 is an abundant number, since it is smaller than the sum of its proper divisors (26892400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13773648 is a wasteful number, since it uses less digits than its factorization.

13773648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011 (or 41005 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 13773648 is about 3711.2865693719. The cubic root of 13773648 is about 239.7082566123.

The spelling of 13773648 in words is "thirteen million, seven hundred seventy-three thousand, six hundred forty-eight".