12109602 has 16 divisors (see below), whose sum is σ = 24292800. Its totient is φ = 4024272.

The previous prime is 12109589. The next prime is 12109613. The reversal of 12109602 is 20690121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 798 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (1518300).

Almost surely, 2^12109602 is an apocalyptic number.

12109602 is an abundant number, since it is smaller than the sum of its proper divisors (12183198).

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

12109602 is a wasteful number, since it uses less digits than its factorization.

12109602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 12109602 is about 3479.8853429388. The cubic root of 12109602 is about 229.6377536488.

Adding to 12109602 its reverse (20690121), we get a palindrome (32799723).

The spelling of 12109602 in words is "twelve million, one hundred nine thousand, six hundred two".