12380642 has 8 divisors (see below), whose sum is σ = 18587100. Its totient is φ = 6184944.

The previous prime is 12380639. The next prime is 12380653. The reversal of 12380642 is 24608321.

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 137641 = 3499^2 + 371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 5192.

Almost surely, 2^12380642 is an apocalyptic number.

12380642 is a deficient number, since it is larger than the sum of its proper divisors (6206458).

12380642 is a wasteful number, since it uses less digits than its factorization.

12380642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 12380642 is about 3518.6136474470. The cubic root of 12380642 is about 231.3383969820.

Adding to 12380642 its reverse (24608321), we get a palindrome (36988963).

The spelling of 12380642 in words is "twelve million, three hundred eighty thousand, six hundred forty-two".