12994632448 has 144 divisors (see below), whose sum is σ = 31576366080. Its totient is φ = 5210062848.

The previous prime is 12994632401. The next prime is 12994632457. The reversal of 12994632448 is 84423649921.

It is a super-2 number, since 2×12994632448² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12994632395 and 12994632404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5451865 + ... + 5454247.

It is an arithmetic number, because the mean of its divisors is an integer number (219280320).

Almost surely, 2^12994632448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12994632448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15788183040).

12994632448 is an abundant number, since it is smaller than the sum of its proper divisors (18581733632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12994632448 is a wasteful number, since it uses less digits than its factorization.

12994632448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2588 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 12994632448 in words is "twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, four hundred forty-eight".