12906740 has 144 divisors (see below), whose sum is σ = 37134720. Its totient is φ = 3655680.

The previous prime is 12906731. The next prime is 12906767. The reversal of 12906740 is 4760921.

12906740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445046 + ... + 445074.

It is an arithmetic number, because the mean of its divisors is an integer number (257880).

Almost surely, 2^12906740 is an apocalyptic number.

12906740 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 12906740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18567360).

12906740 is an abundant number, since it is smaller than the sum of its proper divisors (24227980).

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

12906740 is a wasteful number, since it uses less digits than its factorization.

12906740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12906740 is about 3592.5951622748. The cubic root of 12906740 is about 234.5698483969.

The spelling of 12906740 in words is "twelve million, nine hundred six thousand, seven hundred forty".