12148943 has 8 divisors (see below), whose sum is σ = 12409920. Its totient is φ = 11890080.

The previous prime is 12148933. The next prime is 12148957. The reversal of 12148943 is 34984121.

12148943 = T₅₂ + T₅₃ + ... + T₄₁₇.

It is a happy number.

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 12148943 - 2⁸ = 12148687 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 (12148933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16538 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (1551240).

Almost surely, 2^12148943 is an apocalyptic number.

12148943 is a deficient number, since it is larger than the sum of its proper divisors (260977).

12148943 is an equidigital number, since it uses as much as digits as its factorization.

12148943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 6912, while the sum is 32.

The square root of 12148943 is about 3485.5333881631. The cubic root of 12148943 is about 229.8861629480.

The spelling of 12148943 in words is "twelve million, one hundred forty-eight thousand, nine hundred forty-three".