12970191 has 8 divisors (see below), whose sum is σ = 18623920. Its totient is φ = 7981632.

The previous prime is 12970187. The next prime is 12970193. The reversal of 12970191 is 19107921.

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

It is not a de Polignac number, because 12970191 - 2² = 12970187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970193) 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, 166246 + ... + 166323.

It is an arithmetic number, because the mean of its divisors is an integer number (2327990).

Almost surely, 2^12970191 is an apocalyptic number.

12970191 is a deficient number, since it is larger than the sum of its proper divisors (5653729).

12970191 is a wasteful number, since it uses less digits than its factorization.

12970191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332585.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 12970191 is about 3601.4151385254. The cubic root of 12970191 is about 234.9536108826.

The spelling of 12970191 in words is "twelve million, nine hundred seventy thousand, one hundred ninety-one".