12550489 has 4 divisors (see below), whose sum is σ = 14343424. Its totient is φ = 10757556.

The previous prime is 12550481. The next prime is 12550501. The reversal of 12550489 is 98405521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98405521 = 461 ⋅213461.

It is a cyclic number.

It is not a de Polignac number, because 12550489 - 2³ = 12550481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896457 + ... + 896470.

It is an arithmetic number, because the mean of its divisors is an integer number (3585856).

Almost surely, 2^12550489 is an apocalyptic number.

It is an amenable number.

12550489 is a deficient number, since it is larger than the sum of its proper divisors (1792935).

12550489 is an equidigital number, since it uses as much as digits as its factorization.

12550489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792934.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 12550489 is about 3542.6669332581. Note that the first 3 decimals coincide. The cubic root of 12550489 is about 232.3914874983.

The spelling of 12550489 in words is "twelve million, five hundred fifty thousand, four hundred eighty-nine".