12196157 has 16 divisors (see below), whose sum is σ = 13838400. Its totient is φ = 10679040.

The previous prime is 12196109. The next prime is 12196159. The reversal of 12196157 is 75169121.

It is a cyclic number.

It is not a de Polignac number, because 12196157 - 2¹⁴ = 12179773 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 (12196159) 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 15 ways as a sum of consecutive naturals, for example, 19394 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (864900).

Almost surely, 2^12196157 is an apocalyptic number.

12196157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12196157 is a deficient number, since it is larger than the sum of its proper divisors (1642243).

12196157 is a wasteful number, since it uses less digits than its factorization.

12196157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 3780, while the sum is 32.

The square root of 12196157 is about 3492.2996721358. The cubic root of 12196157 is about 230.1835774439.

The spelling of 12196157 in words is "twelve million, one hundred ninety-six thousand, one hundred fifty-seven".