12634465 has 4 divisors (see below), whose sum is σ = 15161364. Its totient is φ = 10107568.

The previous prime is 12634463. The next prime is 12634471. The reversal of 12634465 is 56443621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 8994001 = 1908^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 12634465 - 2¹ = 12634463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634463) 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, 1263442 + ... + 1263451.

It is an arithmetic number, because the mean of its divisors is an integer number (3790341).

Almost surely, 2^12634465 is an apocalyptic number.

It is an amenable number.

12634465 is a deficient number, since it is larger than the sum of its proper divisors (2526899).

12634465 is an equidigital number, since it uses as much as digits as its factorization.

12634465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526898.

The product of its digits is 17280, while the sum is 31.

The square root of 12634465 is about 3554.4992614994. The cubic root of 12634465 is about 232.9086504190.

The spelling of 12634465 in words is "twelve million, six hundred thirty-four thousand, four hundred sixty-five".