12626039 has 4 divisors (see below), whose sum is σ = 12640560. Its totient is φ = 12611520.

The previous prime is 12626027. The next prime is 12626069. The reversal of 12626039 is 93062621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93062621 = 43 ⋅2164247.

It is a cyclic number.

It is not a de Polignac number, because 12626039 - 2⁴ = 12626023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626069) 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 3 ways as a sum of consecutive naturals, for example, 5867 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (3160140).

Almost surely, 2^12626039 is an apocalyptic number.

12626039 is a deficient number, since it is larger than the sum of its proper divisors (14521).

12626039 is an equidigital number, since it uses as much as digits as its factorization.

12626039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 12626039 is about 3553.3138054498. The cubic root of 12626039 is about 232.8568628491.

The spelling of 12626039 in words is "twelve million, six hundred twenty-six thousand, thirty-nine".