12242402 has 4 divisors (see below), whose sum is σ = 18363606. Its totient is φ = 6121200.

The previous prime is 12242359. The next prime is 12242423. The reversal of 12242402 is 20424221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 3236401 = 3001^2 + 1799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060599 + ... + 3060602.

Almost surely, 2^12242402 is an apocalyptic number.

12242402 is a deficient number, since it is larger than the sum of its proper divisors (6121204).

12242402 is an equidigital number, since it uses as much as digits as its factorization.

12242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121203.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 12242402 is about 3498.9144030685. The cubic root of 12242402 is about 230.4741447528.

Adding to 12242402 its reverse (20424221), we get a palindrome (32666623).

It can be divided in two parts, 122 and 42402, that added together give a palindrome (42524).

The spelling of 12242402 in words is "twelve million, two hundred forty-two thousand, four hundred two".