12971270 has 32 divisors (see below), whose sum is σ = 25395552. Its totient is φ = 4741632.

The previous prime is 12971263. The next prime is 12971279. The reversal of 12971270 is 7217921.

12971270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971279) 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, 14249 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (793611).

Almost surely, 2^12971270 is an apocalyptic number.

12971270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12971270 is a deficient number, since it is larger than the sum of its proper divisors (12424282).

12971270 is a wasteful number, since it uses less digits than its factorization.

12971270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12971270 is about 3601.5649376347. The cubic root of 12971270 is about 234.9601260248.

The spelling of 12971270 in words is "twelve million, nine hundred seventy-one thousand, two hundred seventy".