12634351 has 4 divisors (see below), whose sum is σ = 12776400. Its totient is φ = 12492304.

The previous prime is 12634339. The next prime is 12634361. The reversal of 12634351 is 15343621.

12634351 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: 15343621 = 19 ⋅807559.

It is a cyclic number.

It is not a de Polignac number, because 12634351 - 2¹⁵ = 12601583 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 (12634301) 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, 70891 + ... + 71068.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^12634351 is an apocalyptic number.

12634351 is a deficient number, since it is larger than the sum of its proper divisors (142049).

12634351 is an equidigital number, since it uses as much as digits as its factorization.

12634351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142048.

The product of its digits is 2160, while the sum is 25.

The square root of 12634351 is about 3554.4832254492. The cubic root of 12634351 is about 232.9079499100.

Adding to 12634351 its reverse (15343621), we get a palindrome (27977972).

The spelling of 12634351 in words is "twelve million, six hundred thirty-four thousand, three hundred fifty-one".