12750947 has 16 divisors (see below), whose sum is σ = 14688000. Its totient is φ = 10956000.

The previous prime is 12750911. The next prime is 12750989. The reversal of 12750947 is 74905721.

It is not a de Polignac number, because 12750947 - 2¹⁰ = 12749923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12750247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25304 + ... + 25802.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^12750947 is an apocalyptic number.

12750947 is a deficient number, since it is larger than the sum of its proper divisors (1937053).

12750947 is a wasteful number, since it uses less digits than its factorization.

12750947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 12750947 is about 3570.8468183332. The cubic root of 12750947 is about 233.6222201900.

The spelling of 12750947 in words is "twelve million, seven hundred fifty thousand, nine hundred forty-seven".