12983549 has 4 divisors (see below), whose sum is σ = 13285536. Its totient is φ = 12681564.

The previous prime is 12983539. The next prime is 12983603. The reversal of 12983549 is 94538921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12983549 - 2⁴ = 12983533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983519) 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, 150929 + ... + 151014.

It is an arithmetic number, because the mean of its divisors is an integer number (3321384).

Almost surely, 2^12983549 is an apocalyptic number.

It is an amenable number.

12983549 is a deficient number, since it is larger than the sum of its proper divisors (301987).

12983549 is an equidigital number, since it uses as much as digits as its factorization.

12983549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301986.

The product of its digits is 77760, while the sum is 41.

The square root of 12983549 is about 3603.2692100369. The cubic root of 12983549 is about 235.0342427844.

The spelling of 12983549 in words is "twelve million, nine hundred eighty-three thousand, five hundred forty-nine".