11440671 has 12 divisors (see below), whose sum is σ = 16767576. Its totient is φ = 6933520.

The previous prime is 11440657. The next prime is 11440687. The reversal of 11440671 is 17604411.

It is not a de Polignac number, because 11440671 - 2⁶ = 11440607 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15396 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (1397298).

Almost surely, 2^11440671 is an apocalyptic number.

11440671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11440671 is a deficient number, since it is larger than the sum of its proper divisors (5326905).

11440671 is a wasteful number, since it uses less digits than its factorization.

11440671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31542 (or 31531 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11440671 is about 3382.4060962575. The cubic root of 11440671 is about 225.3290395663.

The spelling of 11440671 in words is "eleven million, four hundred forty thousand, six hundred seventy-one".