12423291 has 8 divisors (see below), whose sum is σ = 16624464. Its totient is φ = 8252160.

The previous prime is 12423263. The next prime is 12423347. The reversal of 12423291 is 19232421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12423291 - 2¹¹ = 12421243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6526 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (2078058).

Almost surely, 2^12423291 is an apocalyptic number.

12423291 is a deficient number, since it is larger than the sum of its proper divisors (4201173).

12423291 is a wasteful number, since it uses less digits than its factorization.

12423291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021.

The product of its digits is 864, while the sum is 24.

The square root of 12423291 is about 3524.6689206222. The cubic root of 12423291 is about 231.6037317328.

The spelling of 12423291 in words is "twelve million, four hundred twenty-three thousand, two hundred ninety-one".