12254787 has 16 divisors (see below), whose sum is σ = 18293280. Its totient is φ = 8107776.

The previous prime is 12254783. The next prime is 12254789. The reversal of 12254787 is 78745221.

It is not a de Polignac number, because 12254787 - 2² = 12254783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12254783) 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, 2043 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (1143330).

Almost surely, 2^12254787 is an apocalyptic number.

12254787 is a deficient number, since it is larger than the sum of its proper divisors (6038493).

12254787 is a wasteful number, since it uses less digits than its factorization.

12254787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459 (or 3453 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12254787 is about 3500.6837903473. The cubic root of 12254787 is about 230.5518381190.

It can be divided in two parts, 12254 and 787, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12254787 in words is "twelve million, two hundred fifty-four thousand, seven hundred eighty-seven".