12773378 has 8 divisors (see below), whose sum is σ = 19567872. Its totient is φ = 6250756.

The previous prime is 12773359. The next prime is 12773381. The reversal of 12773378 is 87337721.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67850 + ... + 68037.

It is an arithmetic number, because the mean of its divisors is an integer number (2445984).

Almost surely, 2^12773378 is an apocalyptic number.

12773378 is a deficient number, since it is larger than the sum of its proper divisors (6794494).

12773378 is a wasteful number, since it uses less digits than its factorization.

12773378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135936.

The product of its digits is 49392, while the sum is 38.

The square root of 12773378 is about 3573.9862898450. The cubic root of 12773378 is about 233.7591331614.

The spelling of 12773378 in words is "twelve million, seven hundred seventy-three thousand, three hundred seventy-eight".