12713811 has 8 divisors (see below), whose sum is σ = 18492864. Its totient is φ = 7705320.

The previous prime is 12713809. The next prime is 12713819. The reversal of 12713811 is 11831721.

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 12713811 - 2¹ = 12713809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12713819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192601 + ... + 192666.

It is an arithmetic number, because the mean of its divisors is an integer number (2311608).

Almost surely, 2^12713811 is an apocalyptic number.

12713811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12713811 is a deficient number, since it is larger than the sum of its proper divisors (5779053).

12713811 is a wasteful number, since it uses less digits than its factorization.

12713811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385281.

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

The square root of 12713811 is about 3565.6431397435. The cubic root of 12713811 is about 233.3951983352.

The spelling of 12713811 in words is "twelve million, seven hundred thirteen thousand, eight hundred eleven".