11897275 has 12 divisors (see below), whose sum is σ = 15887872. Its totient is φ = 8785440.

The previous prime is 11897267. The next prime is 11897299. The reversal of 11897275 is 57279811.

It is not a de Polignac number, because 11897275 - 2³ = 11897267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17979 + ... + 18628.

Almost surely, 2^11897275 is an apocalyptic number.

11897275 is a deficient number, since it is larger than the sum of its proper divisors (3990597).

11897275 is a wasteful number, since it uses less digits than its factorization.

11897275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36630 (or 36625 counting only the distinct ones).

The product of its digits is 35280, while the sum is 40.

The square root of 11897275 is about 3449.2426705003. The cubic root of 11897275 is about 228.2876934135.

It can be divided in two parts, 1189 and 7275, that added together give a square (8464 = 92²).

The spelling of 11897275 in words is "eleven million, eight hundred ninety-seven thousand, two hundred seventy-five".