12087577 has 8 divisors (see below), whose sum is σ = 12711240. Its totient is φ = 11477760.

The previous prime is 12087571. The next prime is 12087611. The reversal of 12087577 is 77578021.

It can be written as a sum of positive squares in 4 ways, for example, as 143641 + 11943936 = 379^2 + 3456^2 .

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

It is not a de Polignac number, because 12087577 - 2²³ = 3698969 is a prime.

It is a super-2 number, since 2×12087577² = 292219035461858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12087571) 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 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (1588905).

Almost surely, 2^12087577 is an apocalyptic number.

It is an amenable number.

12087577 is a deficient number, since it is larger than the sum of its proper divisors (623663).

12087577 is an equidigital number, since it uses as much as digits as its factorization.

12087577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 12087577 is about 3476.7192869140. The cubic root of 12087577 is about 229.4984470888.

The spelling of 12087577 in words is "twelve million, eighty-seven thousand, five hundred seventy-seven".