12087206 has 4 divisors (see below), whose sum is σ = 18130812. Its totient is φ = 6043602.

The previous prime is 12087203. The next prime is 12087209. The reversal of 12087206 is 60278021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60278021 = 4523 ⋅13327.

It is an interprime number because it is at equal distance from previous prime (12087203) and next prime (12087209).

It is a super-2 number, since 2×12087206² = 292201097772872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3021800 + ... + 3021803.

It is an arithmetic number, because the mean of its divisors is an integer number (4532703).

Almost surely, 2^12087206 is an apocalyptic number.

12087206 is a deficient number, since it is larger than the sum of its proper divisors (6043606).

12087206 is an equidigital number, since it uses as much as digits as its factorization.

12087206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043605.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12087206 is about 3476.6659316075. The cubic root of 12087206 is about 229.4960990915.

The spelling of 12087206 in words is "twelve million, eighty-seven thousand, two hundred six".