12576013 has 4 divisors (see below), whose sum is σ = 12642048. Its totient is φ = 12509980.

The previous prime is 12576007. The next prime is 12576023. The reversal of 12576013 is 31067521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31067521 = 233 ⋅133337.

It is a cyclic number.

It is not a de Polignac number, because 12576013 - 2⁹ = 12575501 is a prime.

It is a super-2 number, since 2×12576013² = 316312205952338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12576023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32731 + ... + 33112.

It is an arithmetic number, because the mean of its divisors is an integer number (3160512).

Almost surely, 2^12576013 is an apocalyptic number.

It is an amenable number.

12576013 is a deficient number, since it is larger than the sum of its proper divisors (66035).

12576013 is an equidigital number, since it uses as much as digits as its factorization.

12576013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66034.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12576013 is about 3546.2674744018. The cubic root of 12576013 is about 232.5489194477.

The spelling of 12576013 in words is "twelve million, five hundred seventy-six thousand, thirteen".