12993542 has 8 divisors (see below), whose sum is σ = 20636856. Its totient is φ = 6114592.

The previous prime is 12993509. The next prime is 12993571. The reversal of 12993542 is 24539921.

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

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, 191048 + ... + 191115.

It is an arithmetic number, because the mean of its divisors is an integer number (2579607).

Almost surely, 2^12993542 is an apocalyptic number.

12993542 is a deficient number, since it is larger than the sum of its proper divisors (7643314).

12993542 is a wasteful number, since it uses less digits than its factorization.

12993542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382182.

The product of its digits is 19440, while the sum is 35.

The square root of 12993542 is about 3604.6556007475. The cubic root of 12993542 is about 235.0945266321.

The spelling of 12993542 in words is "twelve million, nine hundred ninety-three thousand, five hundred forty-two".