13027440 has 160 divisors (see below), whose sum is σ = 44568576. Its totient is φ = 3133440.

The previous prime is 13027439. The next prime is 13027447. The reversal of 13027440 is 4472031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13027447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126429 + ... + 126531.

Almost surely, 2^13027440 is an apocalyptic number.

13027440 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 13027440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22284288).

13027440 is an abundant number, since it is smaller than the sum of its proper divisors (31541136).

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

13027440 is a wasteful number, since it uses less digits than its factorization.

13027440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 13027440 is about 3609.3545129289. The cubic root of 13027440 is about 235.2987900053.

Adding to 13027440 its reverse (4472031), we get a palindrome (17499471).

The spelling of 13027440 in words is "thirteen million, twenty-seven thousand, four hundred forty".