12713181 has 16 divisors (see below), whose sum is σ = 19049856. Its totient is φ = 7482816.

The previous prime is 12713159. The next prime is 12713201. The reversal of 12713181 is 18131721.

It is a happy number.

It is not a de Polignac number, because 12713181 - 2⁷ = 12713053 is a prime.

It is a super-2 number, since 2×12713181² = 323249942277522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (1190616).

Almost surely, 2^12713181 is an apocalyptic number.

It is an amenable number.

12713181 is a deficient number, since it is larger than the sum of its proper divisors (6336675).

12713181 is a wasteful number, since it uses less digits than its factorization.

12713181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212.

The product of its digits is 336, while the sum is 24.

The square root of 12713181 is about 3565.5547955402. The cubic root of 12713181 is about 233.3913431731.

The spelling of 12713181 in words is "twelve million, seven hundred thirteen thousand, one hundred eighty-one".