12361853 has 4 divisors (see below), whose sum is σ = 14127840. Its totient is φ = 10595868.

The previous prime is 12361849. The next prime is 12361871. The reversal of 12361853 is 35816321.

12361853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35816321 = 137 ⋅261433.

It is a cyclic number.

It is not a de Polignac number, because 12361853 - 2² = 12361849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882983 + ... + 882996.

It is an arithmetic number, because the mean of its divisors is an integer number (3531960).

Almost surely, 2^12361853 is an apocalyptic number.

It is an amenable number.

12361853 is a deficient number, since it is larger than the sum of its proper divisors (1765987).

12361853 is an equidigital number, since it uses as much as digits as its factorization.

12361853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765986.

The product of its digits is 4320, while the sum is 29.

The square root of 12361853 is about 3515.9426900904. The cubic root of 12361853 is about 231.2213104900.

The spelling of 12361853 in words is "twelve million, three hundred sixty-one thousand, eight hundred fifty-three".