12651142 has 16 divisors (see below), whose sum is σ = 21733920. Its totient is φ = 5410368.

The previous prime is 12651103. The next prime is 12651161. The reversal of 12651142 is 24115621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10768 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (1358370).

Almost surely, 2^12651142 is an apocalyptic number.

12651142 is a deficient number, since it is larger than the sum of its proper divisors (9082778).

12651142 is a wasteful number, since it uses less digits than its factorization.

12651142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its digits is 480, while the sum is 22.

The square root of 12651142 is about 3556.8443879372. The cubic root of 12651142 is about 233.0110821354.

Adding to 12651142 its reverse (24115621), we get a palindrome (36766763).

The spelling of 12651142 in words is "twelve million, six hundred fifty-one thousand, one hundred forty-two".