12970247 has 4 divisors (see below), whose sum is σ = 13182936. Its totient is φ = 12757560.

The previous prime is 12970211. The next prime is 12970249. The reversal of 12970247 is 74207921.

12970247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74207921 = 193 ⋅384497.

It is a cyclic number.

It is not a de Polignac number, because 12970247 - 2¹⁰ = 12969223 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 (12970249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106253 + ... + 106374.

It is an arithmetic number, because the mean of its divisors is an integer number (3295734).

Almost surely, 2^12970247 is an apocalyptic number.

12970247 is a deficient number, since it is larger than the sum of its proper divisors (212689).

12970247 is an equidigital number, since it uses as much as digits as its factorization.

12970247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212688.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12970247 is about 3601.4229132386. The cubic root of 12970247 is about 234.9539490268.

The spelling of 12970247 in words is "twelve million, nine hundred seventy thousand, two hundred forty-seven".