12086945 has 16 divisors (see below), whose sum is σ = 16443840. Its totient is φ = 8455104.

The previous prime is 12086941. The next prime is 12086951. The reversal of 12086945 is 54968021.

12086945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12086945 - 2² = 12086941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12086941) 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, 3659 + ... + 6128.

It is an arithmetic number, because the mean of its divisors is an integer number (1027740).

Almost surely, 2^12086945 is an apocalyptic number.

It is an amenable number.

12086945 is a deficient number, since it is larger than the sum of its proper divisors (4356895).

12086945 is a wasteful number, since it uses less digits than its factorization.

12086945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12086945 is about 3476.6283954429. The cubic root of 12086945 is about 229.4944472371.

It can be divided in two parts, 12086 and 945, that added together give a palindrome (13031).

The spelling of 12086945 in words is "twelve million, eighty-six thousand, nine hundred forty-five".