12014378 has 4 divisors (see below), whose sum is σ = 18021570. Its totient is φ = 6007188.

The previous prime is 12014371. The next prime is 12014419. The reversal of 12014378 is 87341021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10543009 + 1471369 = 3247^2 + 1213^2 .

It is not an unprimeable number, because it can be changed into a prime (12014371) by changing a digit.

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 as a sum of consecutive naturals, namely, 3003593 + ... + 3003596.

Almost surely, 2^12014378 is an apocalyptic number.

12014378 is a deficient number, since it is larger than the sum of its proper divisors (6007192).

12014378 is an equidigital number, since it uses as much as digits as its factorization.

12014378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007191.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12014378 is about 3466.1762794180. The cubic root of 12014378 is about 229.0342492458.

Adding to 12014378 its reverse (87341021), we get a palindrome (99355399).

The spelling of 12014378 in words is "twelve million, fourteen thousand, three hundred seventy-eight".