12361005 has 40 divisors (see below), whose sum is σ = 23139072. Its totient is φ = 6301152.

The previous prime is 12361003. The next prime is 12361007. The reversal of 12361005 is 50016321.

It is an interprime number because it is at equal distance from previous prime (12361003) and next prime (12361007).

It is not a de Polignac number, because 12361005 - 2¹ = 12361003 is a prime.

It is a super-2 number, since 2×12361005² = 305588889220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8652 + ... + 9978.

Almost surely, 2^12361005 is an apocalyptic number.

12361005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12361005 is a deficient number, since it is larger than the sum of its proper divisors (10778067).

12361005 is a wasteful number, since it uses less digits than its factorization.

12361005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12361005 is about 3515.8220944752. The cubic root of 12361005 is about 231.2160232526.

Adding to 12361005 its reverse (50016321), we get a palindrome (62377326).

The spelling of 12361005 in words is "twelve million, three hundred sixty-one thousand, five".