12736874 has 4 divisors (see below), whose sum is σ = 19105314. Its totient is φ = 6368436.

The previous prime is 12736873. The next prime is 12736883. The reversal of 12736874 is 47863721.

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., 6943225 + 5793649 = 2635^2 + 2407^2 .

It is a super-3 number, since 3×12736874³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12736873) 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 as a sum of consecutive naturals, namely, 3184217 + ... + 3184220.

Almost surely, 2^12736874 is an apocalyptic number.

12736874 is a deficient number, since it is larger than the sum of its proper divisors (6368440).

12736874 is an equidigital number, since it uses as much as digits as its factorization.

12736874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368439.

The product of its digits is 56448, while the sum is 38.

The square root of 12736874 is about 3568.8757333368. The cubic root of 12736874 is about 233.5362402808.

It can be divided in two parts, 12 and 736874, that multiplied together give a palindrome (8842488).

The spelling of 12736874 in words is "twelve million, seven hundred thirty-six thousand, eight hundred seventy-four".