12654040 has 64 divisors (see below), whose sum is σ = 33327360. Its totient is φ = 4233600.

The previous prime is 12654011. The next prime is 12654067. The reversal of 12654040 is 4045621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11515 + ... + 12565.

It is an arithmetic number, because the mean of its divisors is an integer number (520740).

Almost surely, 2^12654040 is an apocalyptic number.

12654040 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 12654040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16663680).

12654040 is an abundant number, since it is smaller than the sum of its proper divisors (20673320).

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

12654040 is a wasteful number, since it uses less digits than its factorization.

12654040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12654040 is about 3557.2517481899. The cubic root of 12654040 is about 233.0288727444.

Adding to 12654040 its reverse (4045621), we get a palindrome (16699661).

The spelling of 12654040 in words is "twelve million, six hundred fifty-four thousand, forty".