12651242 has 8 divisors (see below), whose sum is σ = 19802016. Its totient is φ = 6050572.

The previous prime is 12651227. The next prime is 12651251. The reversal of 12651242 is 24215621.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137468 + ... + 137559.

It is an arithmetic number, because the mean of its divisors is an integer number (2475252).

Almost surely, 2^12651242 is an apocalyptic number.

12651242 is a deficient number, since it is larger than the sum of its proper divisors (7150774).

12651242 is a wasteful number, since it uses less digits than its factorization.

12651242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275052.

The product of its digits is 960, while the sum is 23.

The square root of 12651242 is about 3556.8584453138. The cubic root of 12651242 is about 233.0116960733.

Adding to 12651242 its reverse (24215621), we get a palindrome (36866863).

The spelling of 12651242 in words is "twelve million, six hundred fifty-one thousand, two hundred forty-two".