13301440 has 56 divisors (see below), whose sum is σ = 31985712. Its totient is φ = 5268480.

The previous prime is 13301417. The next prime is 13301447. The reversal of 13301440 is 4410331.

13301440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (13301447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62935 + ... + 63145.

Almost surely, 2^13301440 is an apocalyptic number.

13301440 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 13301440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15992856).

13301440 is an abundant number, since it is smaller than the sum of its proper divisors (18684272).

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

13301440 is a wasteful number, since it uses less digits than its factorization.

13301440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13301440 is about 3647.1139274775. The cubic root of 13301440 is about 236.9370007083.

Adding to 13301440 its reverse (4410331), we get a palindrome (17711771).

The spelling of 13301440 in words is "thirteen million, three hundred one thousand, four hundred forty".