12380775 has 48 divisors (see below), whose sum is σ = 22915200. Its totient is φ = 5846400.

The previous prime is 12380773. The next prime is 12380779. The reversal of 12380775 is 57708321.

It is not a de Polignac number, because 12380775 - 2¹ = 12380773 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35301 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (477400).

Almost surely, 2^12380775 is an apocalyptic number.

12380775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12380775 is a deficient number, since it is larger than the sum of its proper divisors (10534425).

12380775 is a wasteful number, since it uses less digits than its factorization.

12380775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 12380775 is about 3518.6325468852. The cubic root of 12380775 is about 231.3392253692.

The spelling of 12380775 in words is "twelve million, three hundred eighty thousand, seven hundred seventy-five".