12613040 has 60 divisors (see below), whose sum is σ = 32258352. Its totient is φ = 4583040.

The previous prime is 12613037. The next prime is 12613049. The reversal of 12613040 is 4031621.

It is not an unprimeable number, because it can be changed into a prime (12613049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9029 + ... + 10331.

Almost surely, 2^12613040 is an apocalyptic number.

12613040 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 12613040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16129176).

12613040 is an abundant number, since it is smaller than the sum of its proper divisors (19645312).

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

12613040 is a wasteful number, since it uses less digits than its factorization.

12613040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12613040 is about 3551.4841967831. The cubic root of 12613040 is about 232.7769236661.

Adding to 12613040 its reverse (4031621), we get a palindrome (16644661).

The spelling of 12613040 in words is "twelve million, six hundred thirteen thousand, forty".