12949145 has 8 divisors (see below), whose sum is σ = 16951680. Its totient is φ = 9417520.

The previous prime is 12949117. The next prime is 12949147. The reversal of 12949145 is 54194921.

12949145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12949145 - 2⁶ = 12949081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12949147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117665 + ... + 117774.

It is an arithmetic number, because the mean of its divisors is an integer number (2118960).

Almost surely, 2^12949145 is an apocalyptic number.

It is an amenable number.

12949145 is a deficient number, since it is larger than the sum of its proper divisors (4002535).

12949145 is a wasteful number, since it uses less digits than its factorization.

12949145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235455.

The product of its digits is 12960, while the sum is 35.

The square root of 12949145 is about 3598.4920452879. The cubic root of 12949145 is about 234.8264600777.

The spelling of 12949145 in words is "twelve million, nine hundred forty-nine thousand, one hundred forty-five".