12741378 has 16 divisors (see below), whose sum is σ = 27443136. Its totient is φ = 3920400.

The previous prime is 12741367. The next prime is 12741397. The reversal of 12741378 is 87314721.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81598 + ... + 81753.

It is an arithmetic number, because the mean of its divisors is an integer number (1715196).

Almost surely, 2^12741378 is an apocalyptic number.

12741378 is an abundant number, since it is smaller than the sum of its proper divisors (14701758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12741378 is a wasteful number, since it uses less digits than its factorization.

12741378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163369.

The product of its digits is 9408, while the sum is 33.

The square root of 12741378 is about 3569.5066886056. The cubic root of 12741378 is about 233.5637646499.

The spelling of 12741378 in words is "twelve million, seven hundred forty-one thousand, three hundred seventy-eight".