12254985 has 12 divisors (see below), whose sum is σ = 21242052. Its totient is φ = 6535968.

The previous prime is 12254971. The next prime is 12254987. The reversal of 12254985 is 58945221.

It can be written as a sum of positive squares in 2 ways, for example, as 2595321 + 9659664 = 1611^2 + 3108^2 .

It is not a de Polignac number, because 12254985 - 2⁴ = 12254969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136122 + ... + 136211.

It is an arithmetic number, because the mean of its divisors is an integer number (1770171).

Almost surely, 2^12254985 is an apocalyptic number.

12254985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12254985 is a deficient number, since it is larger than the sum of its proper divisors (8987067).

12254985 is a wasteful number, since it uses less digits than its factorization.

12254985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272344 (or 272341 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 12254985 is about 3500.7120704222. The cubic root of 12254985 is about 230.5530797840.

The spelling of 12254985 in words is "twelve million, two hundred fifty-four thousand, nine hundred eighty-five".