13424868 has 54 divisors (see below), whose sum is σ = 35849814. Its totient is φ = 4235328.

The previous prime is 13424867. The next prime is 13424881. The reversal of 13424868 is 86842431.

13424868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 116964 = 3648^2 + 342^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13424863) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12480 + ... + 13512.

Almost surely, 2^13424868 is an apocalyptic number.

13424868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13424868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17924907).

13424868 is an abundant number, since it is smaller than the sum of its proper divisors (22424946).

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

13424868 is a wasteful number, since it uses less digits than its factorization.

13424868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1057 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 13424868 is about 3663.9961790373. The cubic root of 13424868 is about 237.6676150116.

The spelling of 13424868 in words is "thirteen million, four hundred twenty-four thousand, eight hundred sixty-eight".