12383515 has 4 divisors (see below), whose sum is σ = 14860224. Its totient is φ = 9906808.

The previous prime is 12383507. The next prime is 12383519. The reversal of 12383515 is 51538321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12383515 - 2³ = 12383507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12383519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238347 + ... + 1238356.

It is an arithmetic number, because the mean of its divisors is an integer number (3715056).

Almost surely, 2^12383515 is an apocalyptic number.

12383515 is a deficient number, since it is larger than the sum of its proper divisors (2476709).

12383515 is an equidigital number, since it uses as much as digits as its factorization.

12383515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476708.

The product of its digits is 3600, while the sum is 28.

The square root of 12383515 is about 3519.0218811482. The cubic root of 12383515 is about 231.3562900716.

It can be divided in two parts, 1238 and 3515, that added together give a triangular number (4753 = T₉₇).

The spelling of 12383515 in words is "twelve million, three hundred eighty-three thousand, five hundred fifteen".