12734637 has 8 divisors (see below), whose sum is σ = 17051520. Its totient is φ = 8453760.

The previous prime is 12734629. The next prime is 12734651. The reversal of 12734637 is 73643721.

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

It is not a de Polignac number, because 12734637 - 2³ = 12734629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12734598 and 12734607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8164 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (2131440).

Almost surely, 2^12734637 is an apocalyptic number.

It is an amenable number.

12734637 is a deficient number, since it is larger than the sum of its proper divisors (4316883).

12734637 is a wasteful number, since it uses less digits than its factorization.

12734637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003.

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

The square root of 12734637 is about 3568.5623155551. The cubic root of 12734637 is about 233.5225673508.

The spelling of 12734637 in words is "twelve million, seven hundred thirty-four thousand, six hundred thirty-seven".