12361045 has 4 divisors (see below), whose sum is σ = 14833260. Its totient is φ = 9888832.

The previous prime is 12361021. The next prime is 12361061. The reversal of 12361045 is 54016321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54016321 = 157 ⋅344053.

It can be written as a sum of positive squares in 2 ways, for example, as 2979076 + 9381969 = 1726^2 + 3063^2 .

It is a cyclic number.

It is not a de Polignac number, because 12361045 - 2⁷ = 12360917 is a prime.

It is a congruent number.

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, 1236100 + ... + 1236109.

It is an arithmetic number, because the mean of its divisors is an integer number (3708315).

Almost surely, 2^12361045 is an apocalyptic number.

It is an amenable number.

12361045 is a deficient number, since it is larger than the sum of its proper divisors (2472215).

12361045 is an equidigital number, since it uses as much as digits as its factorization.

12361045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472214.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12361045 is about 3515.8277830406. The cubic root of 12361045 is about 231.2162726560.

Adding to 12361045 its reverse (54016321), we get a palindrome (66377366).

The spelling of 12361045 in words is "twelve million, three hundred sixty-one thousand, forty-five".