12065690 has 32 divisors (see below), whose sum is σ = 26732160. Its totient is φ = 3818304.

The previous prime is 12065687. The next prime is 12065693. The reversal of 12065690 is 9656021.

12065690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12065687) and next prime (12065693).

It is a super-2 number, since 2×12065690² = 291161750352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12065693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5720 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^12065690 is an apocalyptic number.

12065690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12065690 is an abundant number, since it is smaller than the sum of its proper divisors (14666470).

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

12065690 is a wasteful number, since it uses less digits than its factorization.

12065690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13286.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 12065690 is about 3473.5702094531. The cubic root of 12065690 is about 229.3598456331.

The spelling of 12065690 in words is "twelve million, sixty-five thousand, six hundred ninety".