12807001 has 4 divisors (see below), whose sum is σ = 13560372. Its totient is φ = 12053632.

The previous prime is 12806977. The next prime is 12807013. The reversal of 12807001 is 10070821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10070821 = 389 ⋅25889.

It can be written as a sum of positive squares in 2 ways, for example, as 8497225 + 4309776 = 2915^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 12807001 - 2⁷ = 12806873 is a prime.

It is a super-2 number, since 2×12807001² = 328038549228002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12807001.

It is not an unprimeable number, because it can be changed into a prime (12807601) 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, 376660 + ... + 376693.

It is an arithmetic number, because the mean of its divisors is an integer number (3390093).

Almost surely, 2^12807001 is an apocalyptic number.

It is an amenable number.

12807001 is a deficient number, since it is larger than the sum of its proper divisors (753371).

12807001 is an equidigital number, since it uses as much as digits as its factorization.

12807001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753370.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 12807001 is about 3578.6870497432. The cubic root of 12807001 is about 233.9640593010.

Adding to 12807001 its reverse (10070821), we get a palindrome (22877822).

It can be divided in two parts, 1280 and 7001, that added together give a square (8281 = 91²).

The spelling of 12807001 in words is "twelve million, eight hundred seven thousand, one".