12874447046 has 4 divisors (see below), whose sum is σ = 19311670572. Its totient is φ = 6437223522.

The previous prime is 12874447043. The next prime is 12874447057. The reversal of 12874447046 is 64074447821.

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

It is a super-2 number, since 2×12874447046² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12874447043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218611760 + ... + 3218611763.

It is an arithmetic number, because the mean of its divisors is an integer number (4827917643).

Almost surely, 2^12874447046 is an apocalyptic number.

12874447046 is a deficient number, since it is larger than the sum of its proper divisors (6437223526).

12874447046 is an equidigital number, since it uses as much as digits as its factorization.

12874447046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437223525.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 12874447046 in words is "twelve billion, eight hundred seventy-four million, four hundred forty-seven thousand, forty-six".