12606040 has 32 divisors (see below), whose sum is σ = 28712880. Its totient is φ = 4980352.

The previous prime is 12606031. The next prime is 12606043. The reversal of 12606040 is 4060621.

It is a junction number, because it is equal to n+sod(n) for n = 12605999 and 12606017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606043) 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, 1422 + ... + 5218.

Almost surely, 2^12606040 is an apocalyptic number.

12606040 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 12606040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14356440).

12606040 is an abundant number, since it is smaller than the sum of its proper divisors (16106840).

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

12606040 is a wasteful number, since it uses less digits than its factorization.

12606040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12606040 is about 3550.4985565410. The cubic root of 12606040 is about 232.7338534257.

Adding to 12606040 its reverse (4060621), we get a palindrome (16666661).

The spelling of 12606040 in words is "twelve million, six hundred six thousand, forty".