12786201 has 16 divisors (see below), whose sum is σ = 19456000. Its totient is φ = 8293104.

The previous prime is 12786181. The next prime is 12786211. The reversal of 12786201 is 10268721.

It is a de Polignac number, because none of the positive numbers 2^k-12786201 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12786211) 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, 5401 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (1216000).

Almost surely, 2^12786201 is an apocalyptic number.

It is an amenable number.

12786201 is a deficient number, since it is larger than the sum of its proper divisors (6669799).

12786201 is a wasteful number, since it uses less digits than its factorization.

12786201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12845 (or 12839 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12786201 is about 3575.7797750980. The cubic root of 12786201 is about 233.8373294140.

The spelling of 12786201 in words is "twelve million, seven hundred eighty-six thousand, two hundred one".