12772418 has 4 divisors (see below), whose sum is σ = 19158630. Its totient is φ = 6386208.

The previous prime is 12772393. The next prime is 12772433. The reversal of 12772418 is 81427721.

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., 11202409 + 1570009 = 3347^2 + 1253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193103 + ... + 3193106.

Almost surely, 2^12772418 is an apocalyptic number.

12772418 is a deficient number, since it is larger than the sum of its proper divisors (6386212).

12772418 is an equidigital number, since it uses as much as digits as its factorization.

12772418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386211.

The product of its digits is 6272, while the sum is 32.

The square root of 12772418 is about 3573.8519835046. The cubic root of 12772418 is about 233.7532768565.

The spelling of 12772418 in words is "twelve million, seven hundred seventy-two thousand, four hundred eighteen".