12711830 has 8 divisors (see below), whose sum is σ = 22881312. Its totient is φ = 5084728.

The previous prime is 12711827. The next prime is 12711859. The reversal of 12711830 is 3811721.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12711796 and 12711805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635582 + ... + 635601.

It is an arithmetic number, because the mean of its divisors is an integer number (2860164).

Almost surely, 2^12711830 is an apocalyptic number.

12711830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12711830 is a deficient number, since it is larger than the sum of its proper divisors (10169482).

12711830 is a wasteful number, since it uses less digits than its factorization.

12711830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271190.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12711830 is about 3565.3653389239. The cubic root of 12711830 is about 233.3830755629.

The spelling of 12711830 in words is "twelve million, seven hundred eleven thousand, eight hundred thirty".