12679637 has 8 divisors (see below), whose sum is σ = 13464000. Its totient is φ = 11899584.

The previous prime is 12679633. The next prime is 12679663. The reversal of 12679637 is 73697621.

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

It is a cyclic number.

It is not a de Polignac number, because 12679637 - 2² = 12679633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12679594 and 12679603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614 + ... + 8312.

It is an arithmetic number, because the mean of its divisors is an integer number (1683000).

Almost surely, 2^12679637 is an apocalyptic number.

12679637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12679637 is a deficient number, since it is larger than the sum of its proper divisors (784363).

12679637 is a wasteful number, since it uses less digits than its factorization.

12679637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its digits is 95256, while the sum is 41.

The square root of 12679637 is about 3560.8477923101. The cubic root of 12679637 is about 233.1858930218.

The spelling of 12679637 in words is "twelve million, six hundred seventy-nine thousand, six hundred thirty-seven".