12072274 has 8 divisors (see below), whose sum is σ = 18137340. Its totient is φ = 6026496.

The previous prime is 12072271. The next prime is 12072283. The reversal of 12072274 is 47227021.

It can be written as a sum of positive squares in 2 ways, for example, as 12006225 + 66049 = 3465^2 + 257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12072271) by changing a digit.

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, 3139 + ... + 5830.

Almost surely, 2^12072274 is an apocalyptic number.

12072274 is a deficient number, since it is larger than the sum of its proper divisors (6065066).

12072274 is an equidigital number, since it uses as much as digits as its factorization.

12072274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12072274 is about 3474.5178082721. The cubic root of 12072274 is about 229.4015570377.

Adding to 12072274 its reverse (47227021), we get a palindrome (59299295).

It can be divided in two parts, 1207 and 2274, that added together give a square (3481 = 59²).

The spelling of 12072274 in words is "twelve million, seventy-two thousand, two hundred seventy-four".