11997346 has 4 divisors (see below), whose sum is σ = 17996022. Its totient is φ = 5998672.

The previous prime is 11997343. The next prime is 11997347. The reversal of 11997346 is 64379911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64379911 = 769 ⋅83719.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 741321 = 3355^2 + 861^2 .

It is a super-2 number, since 2×11997346² = 287872622087432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11997299 and 11997308.

It is not an unprimeable number, because it can be changed into a prime (11997343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999335 + ... + 2999338.

Almost surely, 2^11997346 is an apocalyptic number.

11997346 is a deficient number, since it is larger than the sum of its proper divisors (5998676).

11997346 is an equidigital number, since it uses as much as digits as its factorization.

11997346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998675.

The product of its digits is 40824, while the sum is 40.

The square root of 11997346 is about 3463.7185220511. The cubic root of 11997346 is about 228.9259690907.

The spelling of 11997346 in words is "eleven million, nine hundred ninety-seven thousand, three hundred forty-six".