12043157 has 8 divisors (see below), whose sum is σ = 14573376. Its totient is φ = 9715392.

The previous prime is 12043151. The next prime is 12043177. The reversal of 12043157 is 75134021.

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 12043157 - 2¹² = 12039061 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 (12043151) 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, 50483 + ... + 50720.

It is an arithmetic number, because the mean of its divisors is an integer number (1821672).

Almost surely, 2^12043157 is an apocalyptic number.

12043157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12043157 is a deficient number, since it is larger than the sum of its proper divisors (2530219).

12043157 is a wasteful number, since it uses less digits than its factorization.

12043157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101227.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12043157 is about 3470.3252008998. The cubic root of 12043157 is about 229.2169781035.

Adding to 12043157 its reverse (75134021), we get a palindrome (87177178).

The spelling of 12043157 in words is "twelve million, forty-three thousand, one hundred fifty-seven".