12850931 has 4 divisors (see below), whose sum is σ = 13061664. Its totient is φ = 12640200.

The previous prime is 12850919. The next prime is 12850939. The reversal of 12850931 is 13905821.

12850931 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13905821 = 37 ⋅375833.

It is a cyclic number.

It is not a de Polignac number, because 12850931 - 2¹⁸ = 12588787 is a prime.

It is a super-2 number, since 2×12850931² = 330292855133522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12850894 and 12850903.

It is not an unprimeable number, because it can be changed into a prime (12850939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105275 + ... + 105396.

It is an arithmetic number, because the mean of its divisors is an integer number (3265416).

Almost surely, 2^12850931 is an apocalyptic number.

12850931 is a deficient number, since it is larger than the sum of its proper divisors (210733).

12850931 is an equidigital number, since it uses as much as digits as its factorization.

12850931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210732.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12850931 is about 3584.8195212591. The cubic root of 12850931 is about 234.2312650194.

The spelling of 12850931 in words is "twelve million, eight hundred fifty thousand, nine hundred thirty-one".