12634377 has 16 divisors (see below), whose sum is σ = 19335552. Its totient is φ = 7188480.

The previous prime is 12634361. The next prime is 12634397. The reversal of 12634377 is 77343621.

It is not a de Polignac number, because 12634377 - 2⁴ = 12634361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12634327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4227 + ... + 6567.

It is an arithmetic number, because the mean of its divisors is an integer number (1208472).

Almost surely, 2^12634377 is an apocalyptic number.

It is an amenable number.

12634377 is a deficient number, since it is larger than the sum of its proper divisors (6701175).

12634377 is a wasteful number, since it uses less digits than its factorization.

12634377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its digits is 21168, while the sum is 33.

The square root of 12634377 is about 3554.4868828004. The cubic root of 12634377 is about 232.9081096756.

Adding to 12634377 its reverse (77343621), we get a palindrome (89977998).

The spelling of 12634377 in words is "twelve million, six hundred thirty-four thousand, three hundred seventy-seven".