12070643 has 8 divisors (see below), whose sum is σ = 13683600. Its totient is φ = 10555488.

The previous prime is 12070637. The next prime is 12070651. The reversal of 12070643 is 34607021.

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

It is not a de Polignac number, because 12070643 - 2⁶ = 12070579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12070243) 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, 24188 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (1710450).

Almost surely, 2^12070643 is an apocalyptic number.

12070643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12070643 is a deficient number, since it is larger than the sum of its proper divisors (1612957).

12070643 is a wasteful number, since it uses less digits than its factorization.

12070643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48901.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 12070643 is about 3474.2830915169. The cubic root of 12070643 is about 229.3912256289.

Adding to 12070643 its reverse (34607021), we get a palindrome (46677664).

The spelling of 12070643 in words is "twelve million, seventy thousand, six hundred forty-three".