11191406 has 16 divisors (see below), whose sum is σ = 17956080. Its totient is φ = 5212800.

The previous prime is 11191381. The next prime is 11191429. The reversal of 11191406 is 60419111.

11191406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (1122255).

Almost surely, 2^11191406 is an apocalyptic number.

11191406 is a deficient number, since it is larger than the sum of its proper divisors (6764674).

11191406 is a wasteful number, since it uses less digits than its factorization.

11191406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11191406 is about 3345.3558854029. The cubic root of 11191406 is about 223.6805475066.

The spelling of 11191406 in words is "eleven million, one hundred ninety-one thousand, four hundred six".