12951145 has 8 divisors (see below), whose sum is σ = 15584256. Its totient is φ = 10332336.

The previous prime is 12951131. The next prime is 12951151. The reversal of 12951145 is 54115921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12951145 is a prime.

It is a super-2 number, since 2×12951145² = 335464313622050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (1948032).

Almost surely, 2^12951145 is an apocalyptic number.

It is an amenable number.

12951145 is a deficient number, since it is larger than the sum of its proper divisors (2633111).

12951145 is an equidigital number, since it uses as much as digits as its factorization.

12951145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151.

The product of its digits is 1800, while the sum is 28.

The square root of 12951145 is about 3598.7699287395. The cubic root of 12951145 is about 234.8385491318.

The spelling of 12951145 in words is "twelve million, nine hundred fifty-one thousand, one hundred forty-five".