12442735 has 4 divisors (see below), whose sum is σ = 14931288. Its totient is φ = 9954184.

The previous prime is 12442699. The next prime is 12442741. The reversal of 12442735 is 53724421.

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

It is a cyclic number.

It is not a de Polignac number, because 12442735 - 2⁷ = 12442607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244269 + ... + 1244278.

It is an arithmetic number, because the mean of its divisors is an integer number (3732822).

Almost surely, 2^12442735 is an apocalyptic number.

12442735 is a deficient number, since it is larger than the sum of its proper divisors (2488553).

12442735 is an equidigital number, since it uses as much as digits as its factorization.

12442735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488552.

The product of its digits is 6720, while the sum is 28.

The square root of 12442735 is about 3527.4261154559. The cubic root of 12442735 is about 231.7244983260.

It can be divided in two parts, 124 and 42735, that multiplied together give a triangular number (5299140 = T₃₂₅₅).

The spelling of 12442735 in words is "twelve million, four hundred forty-two thousand, seven hundred thirty-five".