12860331 has 16 divisors (see below), whose sum is σ = 18946560. Its totient is φ = 7693920.

The previous prime is 12860329. The next prime is 12860333. The reversal of 12860331 is 13306821.

It is an interprime number because it is at equal distance from previous prime (12860329) and next prime (12860333).

It is not a de Polignac number, because 12860331 - 2¹ = 12860329 is a prime.

It is a super-2 number, since 2×12860331² = 330776226859122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12860333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (1184160).

Almost surely, 2^12860331 is an apocalyptic number.

12860331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12860331 is a deficient number, since it is larger than the sum of its proper divisors (6086229).

12860331 is a wasteful number, since it uses less digits than its factorization.

12860331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12860331 is about 3586.1303657285. The cubic root of 12860331 is about 234.2883617198.

The spelling of 12860331 in words is "twelve million, eight hundred sixty thousand, three hundred thirty-one".