12549583748 has 36 divisors (see below), whose sum is σ = 24815081088. Its totient is φ = 5540277600.

The previous prime is 12549583729. The next prime is 12549583759. The reversal of 12549583748 is 84738594521.

It is a junction number, because it is equal to n+sod(n) for n = 12549583693 and 12549583702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388028 + ... + 419123.

It is an arithmetic number, because the mean of its divisors is an integer number (689307808).

Almost surely, 2^12549583748 is an apocalyptic number.

It is an amenable number.

12549583748 is a deficient number, since it is larger than the sum of its proper divisors (12265497340).

12549583748 is a wasteful number, since it uses less digits than its factorization.

12549583748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807204 (or 807189 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The spelling of 12549583748 in words is "twelve billion, five hundred forty-nine million, five hundred eighty-three thousand, seven hundred forty-eight".