12711149 has 8 divisors (see below), whose sum is σ = 14128992. Its totient is φ = 11337040.

The previous prime is 12711143. The next prime is 12711151. The reversal of 12711149 is 94111721.

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

It is a de Polignac number, because none of the positive numbers 2^k-12711149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711143) 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, 10319 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (1766124).

Almost surely, 2^12711149 is an apocalyptic number.

It is an amenable number.

12711149 is a deficient number, since it is larger than the sum of its proper divisors (1417843).

12711149 is a wasteful number, since it uses less digits than its factorization.

12711149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21867.

The product of its digits is 504, while the sum is 26.

The square root of 12711149 is about 3565.2698355104. The cubic root of 12711149 is about 233.3789078779.

The spelling of 12711149 in words is "twelve million, seven hundred eleven thousand, one hundred forty-nine".