11887469 has 4 divisors (see below), whose sum is σ = 12968160. Its totient is φ = 10806780.

The previous prime is 11887457. The next prime is 11887489. The reversal of 11887469 is 96478811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11887469 - 2⁴ = 11887453 is a prime.

It is a super-2 number, since 2×11887469² = 282623838451922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887429) 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, 540329 + ... + 540350.

It is an arithmetic number, because the mean of its divisors is an integer number (3242040).

Almost surely, 2^11887469 is an apocalyptic number.

It is an amenable number.

11887469 is a deficient number, since it is larger than the sum of its proper divisors (1080691).

11887469 is a wasteful number, since it uses less digits than its factorization.

11887469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080690.

The product of its digits is 96768, while the sum is 44.

The square root of 11887469 is about 3447.8209060217. The cubic root of 11887469 is about 228.2249562339.

The spelling of 11887469 in words is "eleven million, eight hundred eighty-seven thousand, four hundred sixty-nine".