12507086 has 4 divisors (see below), whose sum is σ = 18760632. Its totient is φ = 6253542.

The previous prime is 12507059. The next prime is 12507107. The reversal of 12507086 is 68070521.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12507086² = 312854400422792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126770 + ... + 3126773.

It is an arithmetic number, because the mean of its divisors is an integer number (4690158).

Almost surely, 2^12507086 is an apocalyptic number.

12507086 is a deficient number, since it is larger than the sum of its proper divisors (6253546).

12507086 is an equidigital number, since it uses as much as digits as its factorization.

12507086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253545.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12507086 is about 3536.5358756840. The cubic root of 12507086 is about 232.1232871279.

The spelling of 12507086 in words is "twelve million, five hundred seven thousand, eighty-six".