12126995 has 4 divisors (see below), whose sum is σ = 14552400. Its totient is φ = 9701592.

The previous prime is 12126973. The next prime is 12127007. The reversal of 12126995 is 59962121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59962121 = 5821 ⋅10301.

It is a cyclic number.

It is not a de Polignac number, because 12126995 - 2⁶ = 12126931 is a prime.

It is a super-3 number, since 3×12126995³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1212695 + ... + 1212704.

It is an arithmetic number, because the mean of its divisors is an integer number (3638100).

Almost surely, 2^12126995 is an apocalyptic number.

12126995 is a deficient number, since it is larger than the sum of its proper divisors (2425405).

12126995 is an equidigital number, since it uses as much as digits as its factorization.

12126995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425404.

The product of its digits is 9720, while the sum is 35.

The square root of 12126995 is about 3482.3835228188. The cubic root of 12126995 is about 229.7476438208.

The spelling of 12126995 in words is "twelve million, one hundred twenty-six thousand, nine hundred ninety-five".