12983551 has 4 divisors (see below), whose sum is σ = 14838352. Its totient is φ = 11128752.

The previous prime is 12983539. The next prime is 12983603. The reversal of 12983551 is 15538921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15538921 = 2687 ⋅5783.

It is a cyclic number.

It is not a de Polignac number, because 12983551 - 2⁵ = 12983519 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983051) 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, 927390 + ... + 927403.

It is an arithmetic number, because the mean of its divisors is an integer number (3709588).

Almost surely, 2^12983551 is an apocalyptic number.

12983551 is a deficient number, since it is larger than the sum of its proper divisors (1854801).

12983551 is an equidigital number, since it uses as much as digits as its factorization.

12983551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854800.

The product of its digits is 10800, while the sum is 34.

The square root of 12983551 is about 3603.2694875626. The cubic root of 12983551 is about 235.0342548527.

The spelling of 12983551 in words is "twelve million, nine hundred eighty-three thousand, five hundred fifty-one".