12890549 has 8 divisors (see below), whose sum is σ = 15045888. Its totient is φ = 10813680.

The previous prime is 12890543. The next prime is 12890561. The reversal of 12890549 is 94509821.

12890549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12890549 - 2¹² = 12886453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890543) 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, 19262 + ... + 19919.

It is an arithmetic number, because the mean of its divisors is an integer number (1880736).

Almost surely, 2^12890549 is an apocalyptic number.

It is an amenable number.

12890549 is a deficient number, since it is larger than the sum of its proper divisors (2155339).

12890549 is an equidigital number, since it uses as much as digits as its factorization.

12890549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39235.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12890549 is about 3590.3410701492. The cubic root of 12890549 is about 234.4717211229.

The spelling of 12890549 in words is "twelve million, eight hundred ninety thousand, five hundred forty-nine".