11671722 has 32 divisors (see below), whose sum is σ = 26055360. Its totient is φ = 3872880.

The previous prime is 11671711. The next prime is 11671733. The reversal of 11671722 is 22717611.

It is an interprime number because it is at equal distance from previous prime (11671711) and next prime (11671733).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17548 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (814230).

Almost surely, 2^11671722 is an apocalyptic number.

11671722 is an abundant number, since it is smaller than the sum of its proper divisors (14383638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11671722 is a wasteful number, since it uses less digits than its factorization.

11671722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 989 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11671722 is about 3416.3902001967. The cubic root of 11671722 is about 226.8358248048.

The spelling of 11671722 in words is "eleven million, six hundred seventy-one thousand, seven hundred twenty-two".