13010040 has 96 divisors (see below), whose sum is σ = 42962400. Its totient is φ = 3413760.

The previous prime is 13009967. The next prime is 13010047. The reversal of 13010040 is 4001031.

It is a super-2 number, since 2×13010040² = 338522281603200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25306 + ... + 25814.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 2^13010040 is an apocalyptic number.

13010040 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 13010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21481200).

13010040 is an abundant number, since it is smaller than the sum of its proper divisors (29952360).

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

13010040 is a wasteful number, since it uses less digits than its factorization.

13010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 13010040 is about 3606.9433042398. The cubic root of 13010040 is about 235.1939849913.

Adding to 13010040 its reverse (4001031), we get a palindrome (17011071).

Subtracting from 13010040 its reverse (4001031), we obtain a palindrome (9009009).

The spelling of 13010040 in words is "thirteen million, ten thousand, forty".