12612943 has 6 divisors (see below), whose sum is σ = 14672256. Its totient is φ = 10811052.

The previous prime is 12612931. The next prime is 12612949. The reversal of 12612943 is 34921621.

12612943 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12612943 - 2¹³ = 12604751 is a prime.

It is a super-2 number, since 2×12612943² = 318172662242498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128655 + ... + 128752.

It is an arithmetic number, because the mean of its divisors is an integer number (2445376).

Almost surely, 2^12612943 is an apocalyptic number.

12612943 is a deficient number, since it is larger than the sum of its proper divisors (2059313).

12612943 is an equidigital number, since it uses as much as digits as its factorization.

12612943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257421 (or 257414 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 12612943 is about 3551.4705404945. The cubic root of 12612943 is about 232.7763269445.

The spelling of 12612943 in words is "twelve million, six hundred twelve thousand, nine hundred forty-three".