12148742 has 8 divisors (see below), whose sum is σ = 18250176. Its totient is φ = 6065352.

The previous prime is 12148729. The next prime is 12148757. The reversal of 12148742 is 24784121.

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

It is a congruent number.

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, 2678 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (2281272).

Almost surely, 2^12148742 is an apocalyptic number.

12148742 is a deficient number, since it is larger than the sum of its proper divisors (6101434).

12148742 is an equidigital number, since it uses as much as digits as its factorization.

12148742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its digits is 3584, while the sum is 29.

The square root of 12148742 is about 3485.5045545803. The cubic root of 12148742 is about 229.8848951457.

The spelling of 12148742 in words is "twelve million, one hundred forty-eight thousand, seven hundred forty-two".