12380355 has 24 divisors (see below), whose sum is σ = 23111088. Its totient is φ = 6094656.

The previous prime is 12380351. The next prime is 12380413. The reversal of 12380355 is 55308321.

It is not a de Polignac number, because 12380355 - 2² = 12380351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12380351) 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 in 23 ways as a sum of consecutive naturals, for example, 9997 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (962962).

Almost surely, 2^12380355 is an apocalyptic number.

12380355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12380355 is a deficient number, since it is larger than the sum of its proper divisors (10730733).

12380355 is a wasteful number, since it uses less digits than its factorization.

12380355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21187 (or 21184 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 12380355 is about 3518.5728641027. The cubic root of 12380355 is about 231.3366093894.

Adding to 12380355 its reverse (55308321), we get a palindrome (67688676).

The spelling of 12380355 in words is "twelve million, three hundred eighty thousand, three hundred fifty-five".