12049687 has 4 divisors (see below), whose sum is σ = 12976600. Its totient is φ = 11122776.

The previous prime is 12049673. The next prime is 12049699. The reversal of 12049687 is 78694021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78694021 = 7 ⋅11242003.

It is a cyclic number.

It is not a de Polignac number, because 12049687 - 2⁷ = 12049559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463437 + ... + 463462.

It is an arithmetic number, because the mean of its divisors is an integer number (3244150).

Almost surely, 2^12049687 is an apocalyptic number.

12049687 is a deficient number, since it is larger than the sum of its proper divisors (926913).

12049687 is an equidigital number, since it uses as much as digits as its factorization.

12049687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926912.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12049687 is about 3471.2659074176. The cubic root of 12049687 is about 229.2583990371.

The spelling of 12049687 in words is "twelve million, forty-nine thousand, six hundred eighty-seven".