12251853 has 6 divisors (see below), whose sum is σ = 17697134. Its totient is φ = 8167896.

The previous prime is 12251807. The next prime is 12251887. The reversal of 12251853 is 35815221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9108324 + 3143529 = 3018^2 + 1773^2 .

It is not a de Polignac number, because 12251853 - 2⁸ = 12251597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680650 + ... + 680667.

Almost surely, 2^12251853 is an apocalyptic number.

It is an amenable number.

12251853 is a deficient number, since it is larger than the sum of its proper divisors (5445281).

12251853 is a wasteful number, since it uses less digits than its factorization.

12251853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361323 (or 1361320 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12251853 is about 3500.2647042759. The cubic root of 12251853 is about 230.5334373345.

The spelling of 12251853 in words is "twelve million, two hundred fifty-one thousand, eight hundred fifty-three".