12708649349 has 8 divisors (see below), whose sum is σ = 13872627648. Its totient is φ = 11546112160.

The previous prime is 12708649313. The next prime is 12708649409. The reversal of 12708649349 is 94394680721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12708649349 - 2¹⁶ = 12708583813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12708649349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12708640349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341792 + ... + 377145.

It is an arithmetic number, because the mean of its divisors is an integer number (1734078456).

Almost surely, 2^12708649349 is an apocalyptic number.

It is an amenable number.

12708649349 is a deficient number, since it is larger than the sum of its proper divisors (1163978299).

12708649349 is a wasteful number, since it uses less digits than its factorization.

12708649349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720555.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 12708649349 in words is "twelve billion, seven hundred eight million, six hundred forty-nine thousand, three hundred forty-nine".