12975146 has 8 divisors (see below), whose sum is σ = 19480260. Its totient is φ = 6481728.

The previous prime is 12975139. The next prime is 12975161. The reversal of 12975146 is 64157921.

It can be written as a sum of positive squares in 2 ways, for example, as 12327121 + 648025 = 3511^2 + 805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12975146³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 5156.

Almost surely, 2^12975146 is an apocalyptic number.

12975146 is a deficient number, since it is larger than the sum of its proper divisors (6505114).

12975146 is a wasteful number, since it uses less digits than its factorization.

12975146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848.

The product of its digits is 15120, while the sum is 35.

The square root of 12975146 is about 3602.1029968617. The cubic root of 12975146 is about 234.9835268368.

The spelling of 12975146 in words is "twelve million, nine hundred seventy-five thousand, one hundred forty-six".