12042306 has 24 divisors (see below), whose sum is σ = 26295984. Its totient is φ = 3982680.

The previous prime is 12042301. The next prime is 12042311. The reversal of 12042306 is 60324021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12042301) and next prime (12042311).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12042301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (1095666).

Almost surely, 2^12042306 is an apocalyptic number.

12042306 is an abundant number, since it is smaller than the sum of its proper divisors (14253678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042306 is a wasteful number, since it uses less digits than its factorization.

12042306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12042306 is about 3470.2025877461. The cubic root of 12042306 is about 229.2115789587.

Adding to 12042306 its reverse (60324021), we get a palindrome (72366327).

The spelling of 12042306 in words is "twelve million, forty-two thousand, three hundred six".