12707040 has 96 divisors (see below), whose sum is σ = 41803776. Its totient is φ = 3238400.

The previous prime is 12707011. The next prime is 12707047. The reversal of 12707040 is 4070721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12707040² = 322937731123200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12706998 and 12707016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10465 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (435456).

Almost surely, 2^12707040 is an apocalyptic number.

12707040 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 12707040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20901888).

12707040 is an abundant number, since it is smaller than the sum of its proper divisors (29096736).

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

12707040 is a wasteful number, since it uses less digits than its factorization.

12707040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 12707040 is about 3564.6935352145. The cubic root of 12707040 is about 233.3537578493.

Adding to 12707040 its reverse (4070721), we get a palindrome (16777761).

The spelling of 12707040 in words is "twelve million, seven hundred seven thousand, forty".