12690087 has 8 divisors (see below), whose sum is σ = 16959600. Its totient is φ = 8440320.

The previous prime is 12690077. The next prime is 12690103. The reversal of 12690087 is 78009621.

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

It is not a de Polignac number, because 12690087 - 2⁴ = 12690071 is a prime.

It is a super-2 number, since 2×12690087² = 322076616135138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690017) 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, 3364 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (2119950).

Almost surely, 2^12690087 is an apocalyptic number.

12690087 is a deficient number, since it is larger than the sum of its proper divisors (4269513).

12690087 is an equidigital number, since it uses as much as digits as its factorization.

12690087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12690087 is about 3562.3148372933. The cubic root of 12690087 is about 233.2499359555.

The spelling of 12690087 in words is "twelve million, six hundred ninety thousand, eighty-seven".