12987201 has 16 divisors (see below), whose sum is σ = 18785088. Its totient is φ = 7948800.

The previous prime is 12987199. The next prime is 12987217. The reversal of 12987201 is 10278921.

12987201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12987201 - 2¹ = 12987199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12989201) 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, 1015 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (1174068).

Almost surely, 2^12987201 is an apocalyptic number.

It is an amenable number.

12987201 is a deficient number, since it is larger than the sum of its proper divisors (5797887).

12987201 is a wasteful number, since it uses less digits than its factorization.

12987201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12987201 is about 3603.7759364311. The cubic root of 12987201 is about 235.0562774527.

The spelling of 12987201 in words is "twelve million, nine hundred eighty-seven thousand, two hundred one".