12845070 has 48 divisors (see below), whose sum is σ = 38170080. Its totient is φ = 2935872.

The previous prime is 12845069. The next prime is 12845071. The reversal of 12845070 is 7054821.

12845070 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (12845069) and next prime (12845071).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12845071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9565 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (795210).

Almost surely, 2^12845070 is an apocalyptic number.

12845070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12845070 is an abundant number, since it is smaller than the sum of its proper divisors (25325010).

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

12845070 is a wasteful number, since it uses less digits than its factorization.

12845070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409 (or 20406 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12845070 is about 3584.0019531245. The cubic root of 12845070 is about 234.1956505257.

Adding to 12845070 its reverse (7054821), we get a palindrome (19899891).

The spelling of 12845070 in words is "twelve million, eight hundred forty-five thousand, seventy".