12787901 has 12 divisors (see below), whose sum is σ = 14950368. Its totient is φ = 10714872.

The previous prime is 12787897. The next prime is 12787919. The reversal of 12787901 is 10978721.

It is not a de Polignac number, because 12787901 - 2² = 12787897 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12787981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15050 + ... + 15876.

It is an arithmetic number, because the mean of its divisors is an integer number (1245864).

Almost surely, 2^12787901 is an apocalyptic number.

It is an amenable number.

12787901 is a deficient number, since it is larger than the sum of its proper divisors (2162467).

12787901 is an frugal number, since it uses more digits than its factorization.

12787901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12787901 is about 3576.0174775859. The cubic root of 12787901 is about 233.8476923003.

The spelling of 12787901 in words is "twelve million, seven hundred eighty-seven thousand, nine hundred one".