12488161 has 4 divisors (see below), whose sum is σ = 14272192. Its totient is φ = 10704132.

The previous prime is 12488159. The next prime is 12488171. The reversal of 12488161 is 16188421.

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: 16188421 = 571 ⋅28351.

It is a cyclic number.

It is not a de Polignac number, because 12488161 - 2¹ = 12488159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12488131) 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, 892005 + ... + 892018.

It is an arithmetic number, because the mean of its divisors is an integer number (3568048).

Almost surely, 2^12488161 is an apocalyptic number.

It is an amenable number.

12488161 is a deficient number, since it is larger than the sum of its proper divisors (1784031).

12488161 is an equidigital number, since it uses as much as digits as its factorization.

12488161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784030.

The product of its digits is 3072, while the sum is 31.

The square root of 12488161 is about 3533.8592218706. The cubic root of 12488161 is about 232.0061495100.

It can be divided in two parts, 1248 and 8161, that added together give a square (9409 = 97²).

The spelling of 12488161 in words is "twelve million, four hundred eighty-eight thousand, one hundred sixty-one".