12811701 has 8 divisors (see below), whose sum is σ = 19522624. Its totient is φ = 7320960.

The previous prime is 12811699. The next prime is 12811703. The reversal of 12811701 is 10711821.

It is an interprime number because it is at equal distance from previous prime (12811699) and next prime (12811703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12811701 - 2¹ = 12811699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 610081 = 12811701 / (1 + 2 + 8 + 1 + 1 + 7 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811703) 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, 305020 + ... + 305061.

It is an arithmetic number, because the mean of its divisors is an integer number (2440328).

Almost surely, 2^12811701 is an apocalyptic number.

It is an amenable number.

12811701 is a deficient number, since it is larger than the sum of its proper divisors (6710923).

12811701 is an equidigital number, since it uses as much as digits as its factorization.

12811701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610091.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 12811701 is about 3579.3436549178. The cubic root of 12811701 is about 233.9926763724.

The spelling of 12811701 in words is "twelve million, eight hundred eleven thousand, seven hundred one".