13630448 has 40 divisors (see below), whose sum is σ = 29946000. Its totient is φ = 5958144.

The previous prime is 13630433. The next prime is 13630451. The reversal of 13630448 is 84403631.

It is a super-2 number, since 2×13630448² = 371578225361408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13630448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (748650).

Almost surely, 2^13630448 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 13630448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14973000).

13630448 is an abundant number, since it is smaller than the sum of its proper divisors (16315552).

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

13630448 is a wasteful number, since it uses less digits than its factorization.

13630448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 13630448 is about 3691.9436615420. The cubic root of 13630448 is about 238.8746388311.

The spelling of 13630448 in words is "thirteen million, six hundred thirty thousand, four hundred forty-eight".