12180274 has 4 divisors (see below), whose sum is σ = 18270414. Its totient is φ = 6090136.

The previous prime is 12180251. The next prime is 12180283. The reversal of 12180274 is 47208121.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 3972049 = 2865^2 + 1993^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3045067 + ... + 3045070.

Almost surely, 2^12180274 is an apocalyptic number.

12180274 is a deficient number, since it is larger than the sum of its proper divisors (6090140).

12180274 is an equidigital number, since it uses as much as digits as its factorization.

12180274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090139.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12180274 is about 3490.0249282777. The cubic root of 12180274 is about 230.0836116930.

Adding to 12180274 its reverse (47208121), we get a palindrome (59388395).

The spelling of 12180274 in words is "twelve million, one hundred eighty thousand, two hundred seventy-four".