13266240 has 112 divisors (see below), whose sum is σ = 45403008. Its totient is φ = 3262464.

The previous prime is 13266229. The next prime is 13266257. The reversal of 13266240 is 4266231.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13266240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11949 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (405384).

Almost surely, 2^13266240 is an apocalyptic number.

13266240 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 13266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22701504).

13266240 is an abundant number, since it is smaller than the sum of its proper divisors (32136768).

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

13266240 is a wasteful number, since it uses less digits than its factorization.

13266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13266240 is about 3642.2849970863. The cubic root of 13266240 is about 236.7278115724.

Subtracting from 13266240 its reverse (4266231), we obtain a palindrome (9000009).

The spelling of 13266240 in words is "thirteen million, two hundred sixty-six thousand, two hundred forty".