12792081 has 4 divisors (see below), whose sum is σ = 17056112. Its totient is φ = 8528052.

The previous prime is 12792079. The next prime is 12792083. The reversal of 12792081 is 18029721.

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.

It is an interprime number because it is at equal distance from previous prime (12792079) and next prime (12792083).

It is not a de Polignac number, because 12792081 - 2¹ = 12792079 is a prime.

It is a super-2 number, since 2×12792081² = 327274672621122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12792083) 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, 2132011 + ... + 2132016.

It is an arithmetic number, because the mean of its divisors is an integer number (4264028).

Almost surely, 2^12792081 is an apocalyptic number.

It is an amenable number.

12792081 is a deficient number, since it is larger than the sum of its proper divisors (4264031).

12792081 is an equidigital number, since it uses as much as digits as its factorization.

12792081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264030.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12792081 is about 3576.6018788789. The cubic root of 12792081 is about 233.8731689043.

The spelling of 12792081 in words is "twelve million, seven hundred ninety-two thousand, eighty-one".