12313045 has 32 divisors (see below), whose sum is σ = 16634880. Its totient is φ = 8709120.

The previous prime is 12313043. The next prime is 12313097. The reversal of 12313045 is 54031321.

12313045 = 796² + 797² + ... + 814².

It is not a de Polignac number, because 12313045 - 2¹ = 12313043 is a prime.

It is a super-2 number, since 2×12313045² = 303222154344050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108909 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (519840).

Almost surely, 2^12313045 is an apocalyptic number.

It is an amenable number.

12313045 is a deficient number, since it is larger than the sum of its proper divisors (4321835).

12313045 is a wasteful number, since it uses less digits than its factorization.

12313045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12313045 is about 3508.9948703297. The cubic root of 12313045 is about 230.9166006412.

Adding to 12313045 its reverse (54031321), we get a palindrome (66344366).

The spelling of 12313045 in words is "twelve million, three hundred thirteen thousand, forty-five".