12506995 has 4 divisors (see below), whose sum is σ = 15008400. Its totient is φ = 10005592.

The previous prime is 12506983. The next prime is 12507031. The reversal of 12506995 is 59960521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59960521 = 73 ⋅821377.

It is a cyclic number.

It is not a de Polignac number, because 12506995 - 2¹³ = 12498803 is a prime.

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 in 3 ways as a sum of consecutive naturals, for example, 1250695 + ... + 1250704.

It is an arithmetic number, because the mean of its divisors is an integer number (3752100).

Almost surely, 2^12506995 is an apocalyptic number.

12506995 is a deficient number, since it is larger than the sum of its proper divisors (2501405).

12506995 is an equidigital number, since it uses as much as digits as its factorization.

12506995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501404.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 12506995 is about 3536.5230099633. The cubic root of 12506995 is about 232.1227241599.

The spelling of 12506995 in words is "twelve million, five hundred six thousand, nine hundred ninety-five".