12687034 has 8 divisors (see below), whose sum is σ = 19389780. Its totient is φ = 6223776.

The previous prime is 12687019. The next prime is 12687047. The reversal of 12687034 is 43078621.

12687034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12271009 + 416025 = 3503^2 + 645^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12686987 and 12687005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59739 + ... + 59950.

Almost surely, 2^12687034 is an apocalyptic number.

12687034 is a deficient number, since it is larger than the sum of its proper divisors (6702746).

12687034 is a wasteful number, since it uses less digits than its factorization.

12687034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119744.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12687034 is about 3561.8862980168. The cubic root of 12687034 is about 233.2312292498.

The spelling of 12687034 in words is "twelve million, six hundred eighty-seven thousand, thirty-four".