12740074 has 4 divisors (see below), whose sum is σ = 19110114. Its totient is φ = 6370036.

The previous prime is 12740059. The next prime is 12740081. The reversal of 12740074 is 47004721.

12740074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 8910225 + 3829849 = 2985^2 + 1957^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185017 + ... + 3185020.

Almost surely, 2^12740074 is an apocalyptic number.

12740074 is a deficient number, since it is larger than the sum of its proper divisors (6370040).

12740074 is an equidigital number, since it uses as much as digits as its factorization.

12740074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370039.

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

The square root of 12740074 is about 3569.3240256385. The cubic root of 12740074 is about 233.5557964501. Note that the first 3 decimals are identical.

Adding to 12740074 its reverse (47004721), we get a palindrome (59744795).

It can be divided in two parts, 1274007 and 4, that multiplied together give a triangular number (5096028 = T₃₁₉₂).

The spelling of 12740074 in words is "twelve million, seven hundred forty thousand, seventy-four".