13418720 has 48 divisors (see below), whose sum is σ = 36233568. Its totient is φ = 4600320.

The previous prime is 13418681. The next prime is 13418749. The reversal of 13418720 is 2781431.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13418720.

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, 4871 + ... + 7110.

It is an arithmetic number, because the mean of its divisors is an integer number (754866).

Almost surely, 2^13418720 is an apocalyptic number.

13418720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13418720 is an abundant number, since it is smaller than the sum of its proper divisors (22814848).

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

13418720 is a wasteful number, since it uses less digits than its factorization.

13418720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12003 (or 11995 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13418720 is about 3663.1571082879. The cubic root of 13418720 is about 237.6313290284.

The spelling of 13418720 in words is "thirteen million, four hundred eighteen thousand, seven hundred twenty".