11406019 has 4 divisors (see below), whose sum is σ = 11799360. Its totient is φ = 11012680.

The previous prime is 11406001. The next prime is 11406041. The reversal of 11406019 is 91060411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11406019 - 2⁵ = 11405987 is a prime.

It is a super-2 number, since 2×11406019² = 260194538856722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11406089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196627 + ... + 196684.

It is an arithmetic number, because the mean of its divisors is an integer number (2949840).

Almost surely, 2^11406019 is an apocalyptic number.

11406019 is a deficient number, since it is larger than the sum of its proper divisors (393341).

11406019 is an equidigital number, since it uses as much as digits as its factorization.

11406019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393340.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11406019 is about 3377.2798225791. The cubic root of 11406019 is about 225.1013140438.

It can be divided in two parts, 1140 and 6019, that multiplied together give a triangular number (6861660 = T₃₇₀₄).

The spelling of 11406019 in words is "eleven million, four hundred six thousand, nineteen".