12079778 has 16 divisors (see below), whose sum is σ = 18567360. Its totient is φ = 5892336.

The previous prime is 12079733. The next prime is 12079783. The reversal of 12079778 is 87797021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19400 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (1160460).

Almost surely, 2^12079778 is an apocalyptic number.

12079778 is a deficient number, since it is larger than the sum of its proper divisors (6487582).

12079778 is a wasteful number, since it uses less digits than its factorization.

12079778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 12079778 is about 3475.5975025886. The cubic root of 12079778 is about 229.4490784003.

The spelling of 12079778 in words is "twelve million, seventy-nine thousand, seven hundred seventy-eight".