12750032 has 10 divisors (see below), whose sum is σ = 24703218. Its totient is φ = 6375008.

The previous prime is 12750011. The next prime is 12750071. The reversal of 12750032 is 23005721.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 190096 = 3544^2 + 436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12749986 and 12750013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398423 + ... + 398454.

Almost surely, 2^12750032 is an apocalyptic number.

It is an amenable number.

12750032 is a deficient number, since it is larger than the sum of its proper divisors (11953186).

12750032 is an equidigital number, since it uses as much as digits as its factorization.

12750032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796885 (or 796879 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 12750032 is about 3570.7186951649. The cubic root of 12750032 is about 233.6166318614.

Adding to 12750032 its reverse (23005721), we get a palindrome (35755753).

The spelling of 12750032 in words is "twelve million, seven hundred fifty thousand, thirty-two".