12907634197 has 2 divisors, whose sum is σ = 12907634198. Its totient is φ = 12907634196.

The previous prime is 12907634161. The next prime is 12907634203. The reversal of 12907634197 is 79143670921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12858199236 + 49434961 = 113394^2 + 7031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12907634197 - 2¹⁵ = 12907601429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12907634197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12907634797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453817098 + 6453817099.

It is an arithmetic number, because the mean of its divisors is an integer number (6453817099).

Almost surely, 2^12907634197 is an apocalyptic number.

It is an amenable number.

12907634197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907634197 is an equidigital number, since it uses as much as digits as its factorization.

12907634197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 12907634197 in words is "twelve billion, nine hundred seven million, six hundred thirty-four thousand, one hundred ninety-seven".