12975485 has 4 divisors (see below), whose sum is σ = 15570588. Its totient is φ = 10380384.

The previous prime is 12975467. The next prime is 12975491. The reversal of 12975485 is 58457921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58457921 = 71 ⋅823351.

It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 6205081 = 2602^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 12975485 - 2²² = 8781181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297544 + ... + 1297553.

It is an arithmetic number, because the mean of its divisors is an integer number (3892647).

Almost surely, 2^12975485 is an apocalyptic number.

It is an amenable number.

12975485 is a deficient number, since it is larger than the sum of its proper divisors (2595103).

12975485 is an equidigital number, since it uses as much as digits as its factorization.

12975485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595102.

The product of its digits is 100800, while the sum is 41.

The square root of 12975485 is about 3602.1500523993. The cubic root of 12975485 is about 234.9855732806.

The spelling of 12975485 in words is "twelve million, nine hundred seventy-five thousand, four hundred eighty-five".