13911248 has 40 divisors (see below), whose sum is σ = 29664768. Its totient is φ = 6279552.

The previous prime is 13911229. The next prime is 13911257. The reversal of 13911248 is 84211931.

It is a self number, because there is not a number n which added to its sum of digits gives 13911248.

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, 9065 + ... + 10487.

Almost surely, 2^13911248 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 13911248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14832384).

13911248 is an abundant number, since it is smaller than the sum of its proper divisors (15753520).

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

13911248 is a wasteful number, since it uses less digits than its factorization.

13911248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1485 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 13911248 is about 3729.7785457048. The cubic root of 13911248 is about 240.5038489017.

The spelling of 13911248 in words is "thirteen million, nine hundred eleven thousand, two hundred forty-eight".