12680245 has 16 divisors (see below), whose sum is σ = 16111872. Its totient is φ = 9560320.

The previous prime is 12680243. The next prime is 12680251. The reversal of 12680245 is 54208621.

12680245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12680245 - 2¹ = 12680243 is a prime.

It is a super-2 number, since 2×12680245² = 321577226520050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680243) 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, 7389 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (1006992).

Almost surely, 2^12680245 is an apocalyptic number.

It is an amenable number.

12680245 is a deficient number, since it is larger than the sum of its proper divisors (3431627).

12680245 is a wasteful number, since it uses less digits than its factorization.

12680245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12680245 is about 3560.9331642141. The cubic root of 12680245 is about 233.1896201200.

Adding to 12680245 its reverse (54208621), we get a palindrome (66888866).

The spelling of 12680245 in words is "twelve million, six hundred eighty thousand, two hundred forty-five".