11897296 has 20 divisors (see below), whose sum is σ = 23121412. Its totient is φ = 5930496.

The previous prime is 11897267. The next prime is 11897299. The reversal of 11897296 is 69279811.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 8526400 = 1836^2 + 2920^2 .

It is a super-2 number, since 2×11897296² = 283091304223232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5416 + ... + 7288.

Almost surely, 2^11897296 is an apocalyptic number.

11897296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11897296 is a deficient number, since it is larger than the sum of its proper divisors (11224116).

11897296 is a wasteful number, since it uses less digits than its factorization.

11897296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278 (or 2272 counting only the distinct ones).

The product of its digits is 54432, while the sum is 43.

The square root of 11897296 is about 3449.2457146454. The cubic root of 11897296 is about 228.2878277310.

The spelling of 11897296 in words is "eleven million, eight hundred ninety-seven thousand, two hundred ninety-six".