12843690 has 32 divisors (see below), whose sum is σ = 31484160. Its totient is φ = 3351744.

The previous prime is 12843689. The next prime is 12843731. The reversal of 12843690 is 9634821.

It is a super-2 number, since 2×12843690² = 329920745632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3145 + ... + 5964.

It is an arithmetic number, because the mean of its divisors is an integer number (983880).

Almost surely, 2^12843690 is an apocalyptic number.

12843690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12843690 is an abundant number, since it is smaller than the sum of its proper divisors (18640470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12843690 is a wasteful number, since it uses less digits than its factorization.

12843690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12843690 is about 3583.8094257368. The cubic root of 12843690 is about 234.1872633502.

The spelling of 12843690 in words is "twelve million, eight hundred forty-three thousand, six hundred ninety".