12245723 has 4 divisors (see below), whose sum is σ = 13995120. Its totient is φ = 10496328.

The previous prime is 12245719. The next prime is 12245731. The reversal of 12245723 is 32754221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32754221 = 421 ⋅77801.

It is a cyclic number.

It is not a de Polignac number, because 12245723 - 2² = 12245719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12245692 and 12245701.

It is not an unprimeable number, because it can be changed into a prime (12235723) 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, 874688 + ... + 874701.

It is an arithmetic number, because the mean of its divisors is an integer number (3498780).

Almost surely, 2^12245723 is an apocalyptic number.

12245723 is a deficient number, since it is larger than the sum of its proper divisors (1749397).

12245723 is an equidigital number, since it uses as much as digits as its factorization.

12245723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749396.

The product of its digits is 3360, while the sum is 26.

The square root of 12245723 is about 3499.3889466591. The cubic root of 12245723 is about 230.4949831317.

Adding to 12245723 its reverse (32754221), we get a palindrome (44999944).

The spelling of 12245723 in words is "twelve million, two hundred forty-five thousand, seven hundred twenty-three".