12993541 has 8 divisors (see below), whose sum is σ = 14241024. Its totient is φ = 11757120.

The previous prime is 12993509. The next prime is 12993571. The reversal of 12993541 is 14539921.

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

It is a cyclic number.

It is not a de Polignac number, because 12993541 - 2⁵ = 12993509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12993497 and 12993506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993571) 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, 196 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (1780128).

Almost surely, 2^12993541 is an apocalyptic number.

12993541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12993541 is a deficient number, since it is larger than the sum of its proper divisors (1247483).

12993541 is a wasteful number, since it uses less digits than its factorization.

12993541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531.

The product of its digits is 9720, while the sum is 34.

The square root of 12993541 is about 3604.6554620379. The cubic root of 12993541 is about 235.0945206011.

The spelling of 12993541 in words is "twelve million, nine hundred ninety-three thousand, five hundred forty-one".