12587201 has 4 divisors (see below), whose sum is σ = 13731504. Its totient is φ = 11442900.

The previous prime is 12587153. The next prime is 12587203. The reversal of 12587201 is 10278521.

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.

It is a cyclic number.

It is not a de Polignac number, because 12587201 - 2¹⁸ = 12325057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12587203) 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, 572135 + ... + 572156.

It is an arithmetic number, because the mean of its divisors is an integer number (3432876).

Almost surely, 2^12587201 is an apocalyptic number.

12587201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12587201 is a deficient number, since it is larger than the sum of its proper divisors (1144303).

12587201 is a wasteful number, since it uses less digits than its factorization.

12587201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144302.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12587201 is about 3547.8445569106. The cubic root of 12587201 is about 232.6178598493.

The spelling of 12587201 in words is "twelve million, five hundred eighty-seven thousand, two hundred one".