12142802 has 8 divisors (see below), whose sum is σ = 20816256. Its totient is φ = 5204052.

The previous prime is 12142789. The next prime is 12142807. The reversal of 12142802 is 20824121.

It is a happy number.

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

It is a super-2 number, since 2×12142802² = 294895280822408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12142807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433658 + ... + 433685.

It is an arithmetic number, because the mean of its divisors is an integer number (2602032).

Almost surely, 2^12142802 is an apocalyptic number.

12142802 is a deficient number, since it is larger than the sum of its proper divisors (8673454).

12142802 is an equidigital number, since it uses as much as digits as its factorization.

12142802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867352.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12142802 is about 3484.6523499483. The cubic root of 12142802 is about 229.8474224349.

Adding to 12142802 its reverse (20824121), we get a palindrome (32966923).

The spelling of 12142802 in words is "twelve million, one hundred forty-two thousand, eight hundred two".