12078116 has 6 divisors (see below), whose sum is σ = 21136710. Its totient is φ = 6039056.

The previous prime is 12078103. The next prime is 12078139. The reversal of 12078116 is 61187021.

It can be written as a sum of positive squares in only one way, i.e., 6270016 + 5808100 = 2504^2 + 2410^2 .

It is a super-2 number, since 2×12078116² = 291761772218912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1509761 + ... + 1509768.

It is an arithmetic number, because the mean of its divisors is an integer number (3522785).

Almost surely, 2^12078116 is an apocalyptic number.

It is an amenable number.

12078116 is a deficient number, since it is larger than the sum of its proper divisors (9058594).

12078116 is a wasteful number, since it uses less digits than its factorization.

12078116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019533 (or 3019531 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12078116 is about 3475.3583987842. The cubic root of 12078116 is about 229.4385549768.

The spelling of 12078116 in words is "twelve million, seventy-eight thousand, one hundred sixteen".