11671790 has 16 divisors (see below), whose sum is σ = 22625568. Its totient is φ = 4309536.

The previous prime is 11671763. The next prime is 11671799. The reversal of 11671790 is 9717611.

11671790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671799) 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, 44762 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (1414098).

Almost surely, 2^11671790 is an apocalyptic number.

11671790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11671790 is a deficient number, since it is larger than the sum of its proper divisors (10953778).

11671790 is a wasteful number, since it uses less digits than its factorization.

11671790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89803.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 11671790 is about 3416.4001522070. The cubic root of 11671790 is about 226.8362653226.

The spelling of 11671790 in words is "eleven million, six hundred seventy-one thousand, seven hundred ninety".