12679001 has 4 divisors (see below), whose sum is σ = 12724404. Its totient is φ = 12633600.

The previous prime is 12678983. The next prime is 12679019. The reversal of 12679001 is 10097621.

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

It is an interprime number because it is at equal distance from previous prime (12678983) and next prime (12679019).

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 8880400 = 1949^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12679001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12679081) 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 3 ways as a sum of consecutive naturals, for example, 22280 + ... + 22841.

It is an arithmetic number, because the mean of its divisors is an integer number (3181101).

Almost surely, 2^12679001 is an apocalyptic number.

It is an amenable number.

12679001 is a deficient number, since it is larger than the sum of its proper divisors (45403).

12679001 is an equidigital number, since it uses as much as digits as its factorization.

12679001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45402.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 12679001 is about 3560.7584866149. The cubic root of 12679001 is about 233.1819941534.

The spelling of 12679001 in words is "twelve million, six hundred seventy-nine thousand, one".