12906971 has 8 divisors (see below), whose sum is σ = 16091904. Its totient is φ = 10057320.

The previous prime is 12906967. The next prime is 12906977. The reversal of 12906971 is 17960921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12906971 - 2² = 12906967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12906977) 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, 83735 + ... + 83888.

It is an arithmetic number, because the mean of its divisors is an integer number (2011488).

Almost surely, 2^12906971 is an apocalyptic number.

12906971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12906971 is a deficient number, since it is larger than the sum of its proper divisors (3184933).

12906971 is a wasteful number, since it uses less digits than its factorization.

12906971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167641.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 12906971 is about 3592.6273115925. The cubic root of 12906971 is about 234.5712478030.

The spelling of 12906971 in words is "twelve million, nine hundred six thousand, nine hundred seventy-one".