12471853 has 4 divisors (see below), whose sum is σ = 12536668. Its totient is φ = 12407040.

The previous prime is 12471841. The next prime is 12471869. The reversal of 12471853 is 35817421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 11309769 = 1078^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12471853 - 2⁹ = 12471341 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 (12471803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32118 + ... + 32503.

It is an arithmetic number, because the mean of its divisors is an integer number (3134167).

Almost surely, 2^12471853 is an apocalyptic number.

It is an amenable number.

12471853 is a deficient number, since it is larger than the sum of its proper divisors (64815).

12471853 is an equidigital number, since it uses as much as digits as its factorization.

12471853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64814.

The product of its digits is 6720, while the sum is 31.

The square root of 12471853 is about 3531.5510756607. The cubic root of 12471853 is about 231.9051150333.

The spelling of 12471853 in words is "twelve million, four hundred seventy-one thousand, eight hundred fifty-three".