12275738 has 8 divisors (see below), whose sum is σ = 18603732. Its totient is φ = 6074496.

The previous prime is 12275719. The next prime is 12275741. The reversal of 12275738 is 83757221.

It can be written as a sum of positive squares in 2 ways, for example, as 10804369 + 1471369 = 3287^2 + 1213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12275698 and 12275707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31445 + ... + 31832.

Almost surely, 2^12275738 is an apocalyptic number.

12275738 is a deficient number, since it is larger than the sum of its proper divisors (6327994).

12275738 is an equidigital number, since it uses as much as digits as its factorization.

12275738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63376.

The product of its digits is 23520, while the sum is 35.

The square root of 12275738 is about 3503.6749278436. The cubic root of 12275738 is about 230.6831484802.

The spelling of 12275738 in words is "twelve million, two hundred seventy-five thousand, seven hundred thirty-eight".