12202427 has 4 divisors (see below), whose sum is σ = 12844680. Its totient is φ = 11560176.

The previous prime is 12202423. The next prime is 12202429. The reversal of 12202427 is 72420221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12202427 - 2² = 12202423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202399 and 12202408.

It is not an unprimeable number, because it can be changed into a prime (12202423) 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, 321098 + ... + 321135.

It is an arithmetic number, because the mean of its divisors is an integer number (3211170).

Almost surely, 2^12202427 is an apocalyptic number.

12202427 is a deficient number, since it is larger than the sum of its proper divisors (642253).

12202427 is an equidigital number, since it uses as much as digits as its factorization.

12202427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642252.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12202427 is about 3493.1972460770. The cubic root of 12202427 is about 230.2230161998.

Adding to 12202427 its reverse (72420221), we get a palindrome (84622648).

The spelling of 12202427 in words is "twelve million, two hundred two thousand, four hundred twenty-seven".