12971508 has 24 divisors (see below), whose sum is σ = 33018720. Its totient is φ = 3930720.

The previous prime is 12971507. The next prime is 12971513. The reversal of 12971508 is 80517921.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49003 + ... + 49266.

It is an arithmetic number, because the mean of its divisors is an integer number (1375780).

Almost surely, 2^12971508 is an apocalyptic number.

It is an amenable number.

12971508 is an abundant number, since it is smaller than the sum of its proper divisors (20047212).

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

12971508 is a wasteful number, since it uses less digits than its factorization.

12971508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98287 (or 98285 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12971508 is about 3601.5979786756. The cubic root of 12971508 is about 234.9615630511.

The spelling of 12971508 in words is "twelve million, nine hundred seventy-one thousand, five hundred eight".