12801807 has 10 divisors (see below), whose sum is σ = 19123808. Its totient is φ = 8534484.

The previous prime is 12801793. The next prime is 12801809. The reversal of 12801807 is 70810821.

It is not a de Polignac number, because 12801807 - 2¹⁰ = 12800783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801809) 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 9 ways as a sum of consecutive naturals, for example, 78943 + ... + 79104.

Almost surely, 2^12801807 is an apocalyptic number.

12801807 is a deficient number, since it is larger than the sum of its proper divisors (6322001).

12801807 is an equidigital number, since it uses as much as digits as its factorization.

12801807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158059 (or 158050 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12801807 is about 3577.9612910148. The cubic root of 12801807 is about 233.9324262475.

The spelling of 12801807 in words is "twelve million, eight hundred one thousand, eight hundred seven".