12943542 has 8 divisors (see below), whose sum is σ = 25887096. Its totient is φ = 4314512.

The previous prime is 12943531. The next prime is 12943543. The reversal of 12943542 is 24534921.

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

12943542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078623 + ... + 1078634.

It is an arithmetic number, because the mean of its divisors is an integer number (3235887).

Almost surely, 2^12943542 is an apocalyptic number.

12943542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12943542 is a wasteful number, since it uses less digits than its factorization.

12943542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157262.

The product of its digits is 8640, while the sum is 30.

The square root of 12943542 is about 3597.7134405063. The cubic root of 12943542 is about 234.7925859630.

The spelling of 12943542 in words is "twelve million, nine hundred forty-three thousand, five hundred forty-two".