12527378 has 4 divisors (see below), whose sum is σ = 18791070. Its totient is φ = 6263688.

The previous prime is 12527377. The next prime is 12527381. The reversal of 12527378 is 87372521.

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., 6848689 + 5678689 = 2617^2 + 2383^2 .

It is not an unprimeable number, because it can be changed into a prime (12527377) 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, 3131843 + ... + 3131846.

Almost surely, 2^12527378 is an apocalyptic number.

12527378 is a deficient number, since it is larger than the sum of its proper divisors (6263692).

12527378 is an equidigital number, since it uses as much as digits as its factorization.

12527378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263691.

The product of its digits is 23520, while the sum is 35.

The square root of 12527378 is about 3539.4036220810. The cubic root of 12527378 is about 232.2487546875.

Adding to 12527378 its reverse (87372521), we get a palindrome (99899899).

The spelling of 12527378 in words is "twelve million, five hundred twenty-seven thousand, three hundred seventy-eight".