13486240 has 48 divisors (see below), whose sum is σ = 32901120. Its totient is φ = 5218560.

The previous prime is 13486223. The next prime is 13486289. The reversal of 13486240 is 4268431.

It is a junction number, because it is equal to n+sod(n) for n = 13486199 and 13486208.

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, 3601 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (685440).

Almost surely, 2^13486240 is an apocalyptic number.

13486240 is a gapful number since it is divisible by the number (10) 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 13486240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16450560).

13486240 is an abundant number, since it is smaller than the sum of its proper divisors (19414880).

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

13486240 is a wasteful number, since it uses less digits than its factorization.

13486240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 13486240 is about 3672.3616379654. The cubic root of 13486240 is about 238.0292316331.

The spelling of 13486240 in words is "thirteen million, four hundred eighty-six thousand, two hundred forty".