12626971 has 8 divisors (see below), whose sum is σ = 15279840. Its totient is φ = 10186368.

The previous prime is 12626923. The next prime is 12626987. The reversal of 12626971 is 17962621.

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 12626971 - 2⁷ = 12626843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12626921) 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, 52936 + ... + 53173.

It is an arithmetic number, because the mean of its divisors is an integer number (1909980).

Almost surely, 2^12626971 is an apocalyptic number.

12626971 is a deficient number, since it is larger than the sum of its proper divisors (2652869).

12626971 is a wasteful number, since it uses less digits than its factorization.

12626971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106133.

The product of its digits is 9072, while the sum is 34.

The square root of 12626971 is about 3553.4449482157. Note that the first 3 decimals coincide. The cubic root of 12626971 is about 232.8625922062.

The spelling of 12626971 in words is "twelve million, six hundred twenty-six thousand, nine hundred seventy-one".