12654013 has 4 divisors (see below), whose sum is σ = 12691900. Its totient is φ = 12616128.

The previous prime is 12654011. The next prime is 12654067. The reversal of 12654013 is 31045621.

12654013 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3545689 + 9108324 = 1883^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12654013 - 2¹ = 12654011 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 (12654011) 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, 18438 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (3172975).

Almost surely, 2^12654013 is an apocalyptic number.

It is an amenable number.

12654013 is a deficient number, since it is larger than the sum of its proper divisors (37887).

12654013 is an equidigital number, since it uses as much as digits as its factorization.

12654013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37886.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12654013 is about 3557.2479531233. The cubic root of 12654013 is about 233.0287070059.

Adding to 12654013 its reverse (31045621), we get a palindrome (43699634).

The spelling of 12654013 in words is "twelve million, six hundred fifty-four thousand, thirteen".