12634401370 has 8 divisors (see below), whose sum is σ = 22741922484. Its totient is φ = 5053760544.

The previous prime is 12634401361. The next prime is 12634401389. The reversal of 12634401370 is 7310443621.

It can be written as a sum of positive squares in 2 ways, for example, as 12355878649 + 278522721 = 111157^2 + 16689^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631720059 + ... + 631720078.

Almost surely, 2^12634401370 is an apocalyptic number.

12634401370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12634401370 is a deficient number, since it is larger than the sum of its proper divisors (10107521114).

12634401370 is a wasteful number, since it uses less digits than its factorization.

12634401370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263440144.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 12634401370 its reverse (7310443621), we get a palindrome (19944844991).

The spelling of 12634401370 in words is "twelve billion, six hundred thirty-four million, four hundred one thousand, three hundred seventy".