11471690 has 8 divisors (see below), whose sum is σ = 20649060. Its totient is φ = 4588672.

The previous prime is 11471671. The next prime is 11471699. The reversal of 11471690 is 9617411.

11471690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10883401 + 588289 = 3299^2 + 767^2 .

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

It is a super-2 number, since 2×11471690² = 263199342912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11471699) 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, 573575 + ... + 573594.

Almost surely, 2^11471690 is an apocalyptic number.

11471690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11471690 is a deficient number, since it is larger than the sum of its proper divisors (9177370).

11471690 is a wasteful number, since it uses less digits than its factorization.

11471690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147176.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11471690 is about 3386.9883377420. The cubic root of 11471690 is about 225.5325000723.

The spelling of 11471690 in words is "eleven million, four hundred seventy-one thousand, six hundred ninety".