12500331 has 8 divisors (see below), whose sum is σ = 16902144. Its totient is φ = 8216040.

The previous prime is 12500329. The next prime is 12500351. The reversal of 12500331 is 13300521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12500331 - 2¹ = 12500329 is a prime.

It is a super-2 number, since 2×12500331² = 312516550219122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12500331.

It is not an unprimeable number, because it can be changed into a prime (12500351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29131 + ... + 29556.

It is an arithmetic number, because the mean of its divisors is an integer number (2112768).

Almost surely, 2^12500331 is an apocalyptic number.

12500331 is a deficient number, since it is larger than the sum of its proper divisors (4401813).

12500331 is an equidigital number, since it uses as much as digits as its factorization.

12500331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58761.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 12500331 is about 3535.5807160918. The cubic root of 12500331 is about 232.0814901504.

Adding to 12500331 its reverse (13300521), we get a palindrome (25800852).

The spelling of 12500331 in words is "twelve million, five hundred thousand, three hundred thirty-one".