12984401627 has 4 divisors (see below), whose sum is σ = 13748189976. Its totient is φ = 12220613280.

The previous prime is 12984401611. The next prime is 12984401629. The reversal of 12984401627 is 72610448921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72610448921 = 1399 ⋅51901679.

It is a cyclic number.

It is not a de Polignac number, because 12984401627 - 2⁴ = 12984401611 is a prime.

It is a super-3 number, since 3×12984401627³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12984401629) 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, 381894149 + ... + 381894182.

It is an arithmetic number, because the mean of its divisors is an integer number (3437047494).

Almost surely, 2^12984401627 is an apocalyptic number.

12984401627 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12984401627 is a deficient number, since it is larger than the sum of its proper divisors (763788349).

12984401627 is an equidigital number, since it uses as much as digits as its factorization.

12984401627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763788348.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12984401627 in words is "twelve billion, nine hundred eighty-four million, four hundred one thousand, six hundred twenty-seven".