11487469 has 8 divisors (see below), whose sum is σ = 13295360. Its totient is φ = 9721296.

The previous prime is 11487431. The next prime is 11487481. The reversal of 11487469 is 96478411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11487469 - 2⁷ = 11487341 is a prime.

It is a super-2 number, since 2×11487469² = 263923888051922, 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 (11487269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9834 + ... + 10939.

It is an arithmetic number, because the mean of its divisors is an integer number (1661920).

Almost surely, 2^11487469 is an apocalyptic number.

It is an amenable number.

11487469 is a deficient number, since it is larger than the sum of its proper divisors (1807891).

11487469 is an equidigital number, since it uses as much as digits as its factorization.

11487469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20859.

The product of its digits is 48384, while the sum is 40.

The square root of 11487469 is about 3389.3168928266. The cubic root of 11487469 is about 225.6358573209.

It can be divided in two parts, 11487 and 469, that multiplied together give a triangular number (5387403 = T₃₂₈₂).

The spelling of 11487469 in words is "eleven million, four hundred eighty-seven thousand, four hundred sixty-nine".