12296978 has 4 divisors (see below), whose sum is σ = 18445470. Its totient is φ = 6148488.

The previous prime is 12296953. The next prime is 12296993. The reversal of 12296978 is 87969221.

It is a happy number.

12296978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87969221 = 19 ⋅4629959.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 2229049 = 3173^2 + 1493^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074243 + ... + 3074246.

Almost surely, 2^12296978 is an apocalyptic number.

12296978 is a deficient number, since it is larger than the sum of its proper divisors (6148492).

12296978 is an equidigital number, since it uses as much as digits as its factorization.

12296978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148491.

The product of its digits is 108864, while the sum is 44.

The square root of 12296978 is about 3506.7047209596. The cubic root of 12296978 is about 230.8161177266.

The spelling of 12296978 in words is "twelve million, two hundred ninety-six thousand, nine hundred seventy-eight".