12988463 has 4 divisors (see below), whose sum is σ = 12995688. Its totient is φ = 12981240.

The previous prime is 12988447. The next prime is 12988483. The reversal of 12988463 is 36488921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36488921 = 7 ⋅5212703.

It is a cyclic number.

It is not a de Polignac number, because 12988463 - 2⁴ = 12988447 is a prime.

It is a super-2 number, since 2×12988463² = 337400342204738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12988463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (3248922).

Almost surely, 2^12988463 is an apocalyptic number.

12988463 is a deficient number, since it is larger than the sum of its proper divisors (7225).

12988463 is an equidigital number, since it uses as much as digits as its factorization.

12988463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its digits is 82944, while the sum is 41.

The square root of 12988463 is about 3603.9510263043. The cubic root of 12988463 is about 235.0638908821.

The spelling of 12988463 in words is "twelve million, nine hundred eighty-eight thousand, four hundred sixty-three".