12750038 has 32 divisors (see below), whose sum is σ = 22560768. Its totient is φ = 5292000.

The previous prime is 12750011. The next prime is 12750071. The reversal of 12750038 is 83005721.

It is a junction number, because it is equal to n+sod(n) for n = 12749989 and 12750016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100331 + ... + 100457.

It is an arithmetic number, because the mean of its divisors is an integer number (705024).

Almost surely, 2^12750038 is an apocalyptic number.

12750038 is a deficient number, since it is larger than the sum of its proper divisors (9810730).

12750038 is a wasteful number, since it uses less digits than its factorization.

12750038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12750038 is about 3570.7195353318. The cubic root of 12750038 is about 233.6166685071.

Adding to 12750038 its reverse (83005721), we get a palindrome (95755759).

The spelling of 12750038 in words is "twelve million, seven hundred fifty thousand, thirty-eight".