12380392 has 16 divisors (see below), whose sum is σ = 23363460. Its totient is φ = 6150144.

The previous prime is 12380351. The next prime is 12380413. The reversal of 12380392 is 29308321.

It can be written as a sum of positive squares in 2 ways, for example, as 12013156 + 367236 = 3466^2 + 606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12380392.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3673 + ... + 6184.

Almost surely, 2^12380392 is an apocalyptic number.

It is an amenable number.

12380392 is a deficient number, since it is larger than the sum of its proper divisors (10983068).

12380392 is a wasteful number, since it uses less digits than its factorization.

12380392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020 (or 10016 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12380392 is about 3518.5781219123. The cubic root of 12380392 is about 231.3368398472.

Subtracting from 12380392 its product of nonzero digits (2592), we obtain a triangular number (12377800 = T₄₉₇₅).

The spelling of 12380392 in words is "twelve million, three hundred eighty thousand, three hundred ninety-two".