11897356 has 12 divisors (see below), whose sum is σ = 20860840. Its totient is φ = 5937120.

The previous prime is 11897351. The next prime is 11897357. The reversal of 11897356 is 65379811.

It is not an unprimeable number, because it can be changed into a prime (11897351) 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, 321 + ... + 4888.

Almost surely, 2^11897356 is an apocalyptic number.

11897356 is the 2182-nd centered pentagonal number.

It is an amenable number.

11897356 is a deficient number, since it is larger than the sum of its proper divisors (8963484).

11897356 is a wasteful number, since it uses less digits than its factorization.

11897356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784 (or 5782 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 11897356 is about 3449.2544121882. The cubic root of 11897356 is about 228.2882114946.

The spelling of 11897356 in words is "eleven million, eight hundred ninety-seven thousand, three hundred fifty-six".