11897343 has 6 divisors (see below), whose sum is σ = 17185064. Its totient is φ = 7931556.

The previous prime is 11897329. The next prime is 11897351. The reversal of 11897343 is 34379811.

It is a happy number.

It is not a de Polignac number, because 11897343 - 2¹² = 11893247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11897298 and 11897307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 660955 + ... + 660972.

Almost surely, 2^11897343 is an apocalyptic number.

11897343 is a deficient number, since it is larger than the sum of its proper divisors (5287721).

11897343 is a wasteful number, since it uses less digits than its factorization.

11897343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321933 (or 1321930 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 11897343 is about 3449.2525277225. The cubic root of 11897343 is about 228.2881283459.

It can be divided in two parts, 118 and 97343, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 11897343 in words is "eleven million, eight hundred ninety-seven thousand, three hundred forty-three".