12260378 has 8 divisors (see below), whose sum is σ = 19805268. Its totient is φ = 5658624.

The previous prime is 12260333. The next prime is 12260401. The reversal of 12260378 is 87306221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9690769 + 2569609 = 3113^2 + 1603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12260378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235751 + ... + 235802.

Almost surely, 2^12260378 is an apocalyptic number.

12260378 is a deficient number, since it is larger than the sum of its proper divisors (7544890).

12260378 is a wasteful number, since it uses less digits than its factorization.

12260378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471568.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12260378 is about 3501.4822575589. The cubic root of 12260378 is about 230.5868943341.

Adding to 12260378 its reverse (87306221), we get a palindrome (99566599).

The spelling of 12260378 in words is "twelve million, two hundred sixty thousand, three hundred seventy-eight".