12863001 has 4 divisors (see below), whose sum is σ = 17150672. Its totient is φ = 8575332.

The previous prime is 12862963. The next prime is 12863023. The reversal of 12863001 is 10036821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10036821 = 3 ⋅3345607.

It is not a de Polignac number, because 12863001 - 2⁷ = 12862873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12863041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143831 + ... + 2143836.

It is an arithmetic number, because the mean of its divisors is an integer number (4287668).

Almost surely, 2^12863001 is an apocalyptic number.

It is an amenable number.

12863001 is a deficient number, since it is larger than the sum of its proper divisors (4287671).

12863001 is an equidigital number, since it uses as much as digits as its factorization.

12863001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287670.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12863001 is about 3586.5026139681. The cubic root of 12863001 is about 234.3045745383.

Adding to 12863001 its reverse (10036821), we get a palindrome (22899822).

The spelling of 12863001 in words is "twelve million, eight hundred sixty-three thousand, one".