12251923 has 4 divisors (see below), whose sum is σ = 12277368. Its totient is φ = 12226480.

The previous prime is 12251909. The next prime is 12251929. The reversal of 12251923 is 32915221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32915221 = 191 ⋅172331.

It is a cyclic number.

It is not a de Polignac number, because 12251923 - 2⁹ = 12251411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12251929) 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, 11986 + ... + 12967.

It is an arithmetic number, because the mean of its divisors is an integer number (3069342).

Almost surely, 2^12251923 is an apocalyptic number.

12251923 is a deficient number, since it is larger than the sum of its proper divisors (25445).

12251923 is an equidigital number, since it uses as much as digits as its factorization.

12251923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444.

The product of its digits is 1080, while the sum is 25.

The square root of 12251923 is about 3500.2747035054. The cubic root of 12251923 is about 230.5338763786.

The spelling of 12251923 in words is "twelve million, two hundred fifty-one thousand, nine hundred twenty-three".