13002440 has 64 divisors (see below), whose sum is σ = 33048000. Its totient is φ = 4560640.

The previous prime is 13002439. The next prime is 13002463. The reversal of 13002440 is 4420031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12251 + ... + 13269.

It is an arithmetic number, because the mean of its divisors is an integer number (516375).

Almost surely, 2^13002440 is an apocalyptic number.

13002440 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 13002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16524000).

13002440 is an abundant number, since it is smaller than the sum of its proper divisors (20045560).

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

13002440 is a wasteful number, since it uses less digits than its factorization.

13002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13002440 is about 3605.8896267080. The cubic root of 13002440 is about 235.1481787663.

Adding to 13002440 its reverse (4420031), we get a palindrome (17422471).

The spelling of 13002440 in words is "thirteen million, two thousand, four hundred forty".