12751149 has 8 divisors (see below), whose sum is σ = 17170272. Its totient is φ = 8416400.

The previous prime is 12751133. The next prime is 12751157. The reversal of 12751149 is 94115721.

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

It is a cyclic number.

It is not a de Polignac number, because 12751149 - 2⁴ = 12751133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751159) 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, 20739 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (2146284).

Almost surely, 2^12751149 is an apocalyptic number.

It is an amenable number.

12751149 is a deficient number, since it is larger than the sum of its proper divisors (4419123).

12751149 is a wasteful number, since it uses less digits than its factorization.

12751149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42187.

The product of its digits is 2520, while the sum is 30.

The square root of 12751149 is about 3570.8751028284. The cubic root of 12751149 is about 233.6234538615.

The spelling of 12751149 in words is "twelve million, seven hundred fifty-one thousand, one hundred forty-nine".