11477691 has 12 divisors (see below), whose sum is σ = 17451720. Its totient is φ = 7248960.

The previous prime is 11477681. The next prime is 11477693. The reversal of 11477691 is 19677411.

It is not a de Polignac number, because 11477691 - 2¹³ = 11469499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11477693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33390 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (1454310).

Almost surely, 2^11477691 is an apocalyptic number.

11477691 is a deficient number, since it is larger than the sum of its proper divisors (5974029).

11477691 is a wasteful number, since it uses less digits than its factorization.

11477691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67146 (or 67143 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 11477691 is about 3387.8741121830. The cubic root of 11477691 is about 225.5718196089.

The spelling of 11477691 in words is "eleven million, four hundred seventy-seven thousand, six hundred ninety-one".