12078074 has 4 divisors (see below), whose sum is σ = 18117114. Its totient is φ = 6039036.

The previous prime is 12078049. The next prime is 12078097. The reversal of 12078074 is 47087021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47087021 = 43 ⋅1095047.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 552049 = 3395^2 + 743^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3019517 + ... + 3019520.

Almost surely, 2^12078074 is an apocalyptic number.

12078074 is a deficient number, since it is larger than the sum of its proper divisors (6039040).

12078074 is an equidigital number, since it uses as much as digits as its factorization.

12078074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039039.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12078074 is about 3475.3523562367. The cubic root of 12078074 is about 229.4382890294.

The spelling of 12078074 in words is "twelve million, seventy-eight thousand, seventy-four".