12684051 has 12 divisors (see below), whose sum is σ = 18353712. Its totient is φ = 8441136.

The previous prime is 12684043. The next prime is 12684073. The reversal of 12684051 is 15048621.

It is not a de Polignac number, because 12684051 - 2³ = 12684043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12684041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7090 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (1529476).

Almost surely, 2^12684051 is an apocalyptic number.

12684051 is a deficient number, since it is larger than the sum of its proper divisors (5669661).

12684051 is a wasteful number, since it uses less digits than its factorization.

12684051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12684051 is about 3561.4675345986. The cubic root of 12684051 is about 233.2129485576.

The spelling of 12684051 in words is "twelve million, six hundred eighty-four thousand, fifty-one".