12824838388 has 6 divisors (see below), whose sum is σ = 22443467186. Its totient is φ = 6412419192.

The previous prime is 12824838343. The next prime is 12824838407. The reversal of 12824838388 is 88383842821.

It can be written as a sum of positive squares in only one way, i.e., 12822844644 + 1993744 = 113238^2 + 1412^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603104795 + ... + 1603104802.

Almost surely, 2^12824838388 is an apocalyptic number.

It is an amenable number.

12824838388 is a deficient number, since it is larger than the sum of its proper divisors (9618628798).

12824838388 is a wasteful number, since it uses less digits than its factorization.

12824838388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206209601 (or 3206209599 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 55.

It can be divided in two parts, 12 and 824838388, that added together give a square (824838400 = 28720²).

The spelling of 12824838388 in words is "twelve billion, eight hundred twenty-four million, eight hundred thirty-eight thousand, three hundred eighty-eight".