12161774 has 8 divisors (see below), whose sum is σ = 18386688. Its totient is φ = 6032880.

The previous prime is 12161771. The next prime is 12161777. The reversal of 12161774 is 47716121.

It is an interprime number because it is at equal distance from previous prime (12161771) and next prime (12161777).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23687 + ... + 24194.

It is an arithmetic number, because the mean of its divisors is an integer number (2298336).

Almost surely, 2^12161774 is an apocalyptic number.

12161774 is a deficient number, since it is larger than the sum of its proper divisors (6224914).

12161774 is a wasteful number, since it uses less digits than its factorization.

12161774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48010.

The product of its digits is 2352, while the sum is 29.

The square root of 12161774 is about 3487.3735102509. The cubic root of 12161774 is about 229.9670652274.

Adding to 12161774 its reverse (47716121), we get a palindrome (59877895).

The spelling of 12161774 in words is "twelve million, one hundred sixty-one thousand, seven hundred seventy-four".