13648236 has 48 divisors (see below), whose sum is σ = 37180416. Its totient is φ = 3815424.

The previous prime is 13648211. The next prime is 13648237. The reversal of 13648236 is 63284631.

It is a junction number, because it is equal to n+sod(n) for n = 13648197 and 13648206.

It is not an unprimeable number, because it can be changed into a prime (13648237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (774592).

Almost surely, 2^13648236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13648236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18590208).

13648236 is an abundant number, since it is smaller than the sum of its proper divisors (23532180).

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

13648236 is a wasteful number, since it uses less digits than its factorization.

13648236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3516 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 13648236 is about 3694.3519052738. The cubic root of 13648236 is about 238.9785056795.

The spelling of 13648236 in words is "thirteen million, six hundred forty-eight thousand, two hundred thirty-six".