12422901 has 4 divisors (see below), whose sum is σ = 16563872. Its totient is φ = 8281932.

The previous prime is 12422897. The next prime is 12422923. The reversal of 12422901 is 10922421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10922421 = 3 ⋅3640807.

It is not a de Polignac number, because 12422901 - 2² = 12422897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422951) 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, 2070481 + ... + 2070486.

It is an arithmetic number, because the mean of its divisors is an integer number (4140968).

Almost surely, 2^12422901 is an apocalyptic number.

It is an amenable number.

12422901 is a deficient number, since it is larger than the sum of its proper divisors (4140971).

12422901 is an equidigital number, since it uses as much as digits as its factorization.

12422901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140970.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12422901 is about 3524.6135958428. The cubic root of 12422901 is about 231.6013081560.

The spelling of 12422901 in words is "twelve million, four hundred twenty-two thousand, nine hundred one".