12772078 has 8 divisors (see below), whose sum is σ = 20899800. Its totient is φ = 5805480.

The previous prime is 12772063. The next prime is 12772091. The reversal of 12772078 is 87027721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290253 + ... + 290296.

It is an arithmetic number, because the mean of its divisors is an integer number (2612475).

Almost surely, 2^12772078 is an apocalyptic number.

12772078 is a deficient number, since it is larger than the sum of its proper divisors (8127722).

12772078 is a wasteful number, since it uses less digits than its factorization.

12772078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580562.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 12772078 is about 3573.8044154654. The cubic root of 12772078 is about 233.7512026781.

Adding to 12772078 its reverse (87027721), we get a palindrome (99799799).

The spelling of 12772078 in words is "twelve million, seven hundred seventy-two thousand, seventy-eight".