12901489 has 4 divisors (see below), whose sum is σ = 12931056. Its totient is φ = 12871924.

The previous prime is 12901457. The next prime is 12901501. The reversal of 12901489 is 98410921.

12901489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 98410921 = 7 ⋅14058703.

It is a cyclic number.

It is not a de Polignac number, because 12901489 - 2⁵ = 12901457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12901409) 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, 14119 + ... + 15004.

It is an arithmetic number, because the mean of its divisors is an integer number (3232764).

Almost surely, 2^12901489 is an apocalyptic number.

It is an amenable number.

12901489 is a deficient number, since it is larger than the sum of its proper divisors (29567).

12901489 is an equidigital number, since it uses as much as digits as its factorization.

12901489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29566.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12901489 is about 3591.8642791731. The cubic root of 12901489 is about 234.5380331502.

The spelling of 12901489 in words is "twelve million, nine hundred one thousand, four hundred eighty-nine".