12997710 has 96 divisors (see below), whose sum is σ = 38862720. Its totient is φ = 2980800.

The previous prime is 12997681. The next prime is 12997763. The reversal of 12997710 is 1779921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18465 + ... + 19155.

It is an arithmetic number, because the mean of its divisors is an integer number (404820).

Almost surely, 2^12997710 is an apocalyptic number.

12997710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12997710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19431360).

12997710 is an abundant number, since it is smaller than the sum of its proper divisors (25865010).

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

12997710 is a wasteful number, since it uses less digits than its factorization.

12997710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 12997710 is about 3605.2336956153. The cubic root of 12997710 is about 235.1196614063.

It can be divided in two parts, 1299 and 7710, that added together give a palindrome (9009).

The spelling of 12997710 in words is "twelve million, nine hundred ninety-seven thousand, seven hundred ten".