13418864 has 40 divisors (see below), whose sum is σ = 28130640. Its totient is φ = 6179328.

The previous prime is 13418833. The next prime is 13418879. The reversal of 13418864 is 46881431.

It is a super-2 number, since 2×13418864² = 360131822100992, which contains 22 as substring.

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, 10652 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (703266).

Almost surely, 2^13418864 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 13418864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14065320).

13418864 is an abundant number, since it is smaller than the sum of its proper divisors (14711776).

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

13418864 is a wasteful number, since it uses less digits than its factorization.

13418864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1251 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 13418864 is about 3663.1767634118. The cubic root of 13418864 is about 237.6321790546.

The spelling of 13418864 in words is "thirteen million, four hundred eighteen thousand, eight hundred sixty-four".