12810651 has 8 divisors (see below), whose sum is σ = 19521024. Its totient is φ = 7320360.

The previous prime is 12810647. The next prime is 12810667. The reversal of 12810651 is 15601821.

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

It is not a de Polignac number, because 12810651 - 2² = 12810647 is a prime.

It is a super-2 number, since 2×12810651² = 328225558087602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12810631) 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, 304995 + ... + 305036.

It is an arithmetic number, because the mean of its divisors is an integer number (2440128).

Almost surely, 2^12810651 is an apocalyptic number.

12810651 is a deficient number, since it is larger than the sum of its proper divisors (6710373).

12810651 is an equidigital number, since it uses as much as digits as its factorization.

12810651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610041.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12810651 is about 3579.1969769768. The cubic root of 12810651 is about 233.9862838041.

The spelling of 12810651 in words is "twelve million, eight hundred ten thousand, six hundred fifty-one".