12489201 has 16 divisors (see below), whose sum is σ = 18808320. Its totient is φ = 8188560.

The previous prime is 12489167. The next prime is 12489229. The reversal of 12489201 is 10298421.

It is not a de Polignac number, because 12489201 - 2⁹ = 12488689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12489241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (1175520).

Almost surely, 2^12489201 is an apocalyptic number.

It is an amenable number.

12489201 is a deficient number, since it is larger than the sum of its proper divisors (6319119).

12489201 is an equidigital number, since it uses as much as digits as its factorization.

12489201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653 (or 7647 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12489201 is about 3534.0063667175. The cubic root of 12489201 is about 232.0125897349.

The spelling of 12489201 in words is "twelve million, four hundred eighty-nine thousand, two hundred one".