12947051 has 4 divisors (see below), whose sum is σ = 13942992. Its totient is φ = 11951112.

The previous prime is 12947041. The next prime is 12947059. The reversal of 12947051 is 15074921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12947051 - 2⁶ = 12946987 is a prime.

It is a super-2 number, since 2×12947051² = 335252259193202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12947059) 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 3 ways as a sum of consecutive naturals, for example, 497951 + ... + 497976.

It is an arithmetic number, because the mean of its divisors is an integer number (3485748).

Almost surely, 2^12947051 is an apocalyptic number.

12947051 is a deficient number, since it is larger than the sum of its proper divisors (995941).

12947051 is an equidigital number, since it uses as much as digits as its factorization.

12947051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995940.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12947051 is about 3598.2010783168. The cubic root of 12947051 is about 234.8138015041.

The spelling of 12947051 in words is "twelve million, nine hundred forty-seven thousand, fifty-one".