12601481 has 4 divisors (see below), whose sum is σ = 12650772. Its totient is φ = 12552192.

The previous prime is 12601453. The next prime is 12601487. The reversal of 12601481 is 18410621.

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 8357881 + 4243600 = 2891^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 12601481 - 2⁶ = 12601417 is a prime.

It is a super-2 number, since 2×12601481² = 317594646786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12601487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24260 + ... + 24773.

It is an arithmetic number, because the mean of its divisors is an integer number (3162693).

Almost surely, 2^12601481 is an apocalyptic number.

It is an amenable number.

12601481 is a deficient number, since it is larger than the sum of its proper divisors (49291).

12601481 is an equidigital number, since it uses as much as digits as its factorization.

12601481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49290.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12601481 is about 3549.8564759720. The cubic root of 12601481 is about 232.7057938191.

The spelling of 12601481 in words is "twelve million, six hundred one thousand, four hundred eighty-one".