12197774 has 8 divisors (see below), whose sum is σ = 19092240. Its totient is φ = 5833696.

The previous prime is 12197749. The next prime is 12197821. The reversal of 12197774 is 47779121.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132539 + ... + 132630.

It is an arithmetic number, because the mean of its divisors is an integer number (2386530).

Almost surely, 2^12197774 is an apocalyptic number.

12197774 is a deficient number, since it is larger than the sum of its proper divisors (6894466).

12197774 is a wasteful number, since it uses less digits than its factorization.

12197774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265194.

The product of its digits is 24696, while the sum is 38.

The square root of 12197774 is about 3492.5311738050. The cubic root of 12197774 is about 230.1937497847.

The spelling of 12197774 in words is "twelve million, one hundred ninety-seven thousand, seven hundred seventy-four".