12148557 has 8 divisors (see below), whose sum is σ = 17150976. Its totient is φ = 7622592.

The previous prime is 12148537. The next prime is 12148561. The reversal of 12148557 is 75584121.

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

It is not a de Polignac number, because 12148557 - 2¹⁰ = 12147533 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148537) 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, 119053 + ... + 119154.

It is an arithmetic number, because the mean of its divisors is an integer number (2143872).

Almost surely, 2^12148557 is an apocalyptic number.

12148557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12148557 is a deficient number, since it is larger than the sum of its proper divisors (5002419).

12148557 is a wasteful number, since it uses less digits than its factorization.

12148557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238227.

The product of its digits is 11200, while the sum is 33.

The square root of 12148557 is about 3485.4780159972. The cubic root of 12148557 is about 229.8837282507.

The spelling of 12148557 in words is "twelve million, one hundred forty-eight thousand, five hundred fifty-seven".