13418240 has 72 divisors (see below), whose sum is σ = 35099568. Its totient is φ = 4874240.

The previous prime is 13418201. The next prime is 13418243. The reversal of 13418240 is 4281431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13418243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13604 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (487494).

Almost surely, 2^13418240 is an apocalyptic number.

13418240 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 13418240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17549784).

13418240 is an abundant number, since it is smaller than the sum of its proper divisors (21681328).

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

13418240 is an equidigital number, since it uses as much as digits as its factorization.

13418240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 13418240 is about 3663.0915904465. The cubic root of 13418240 is about 237.6284955640.

Adding to 13418240 its reverse (4281431), we get a palindrome (17699671).

The spelling of 13418240 in words is "thirteen million, four hundred eighteen thousand, two hundred forty".