11420726 has 4 divisors (see below), whose sum is σ = 17131092. Its totient is φ = 5710362.

The previous prime is 11420713. The next prime is 11420789. The reversal of 11420726 is 62702411.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2855180 + ... + 2855183.

It is an arithmetic number, because the mean of its divisors is an integer number (4282773).

Almost surely, 2^11420726 is an apocalyptic number.

11420726 is a deficient number, since it is larger than the sum of its proper divisors (5710366).

11420726 is an equidigital number, since it uses as much as digits as its factorization.

11420726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710365.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 11420726 is about 3379.4564651731. The cubic root of 11420726 is about 225.1980215557.

The spelling of 11420726 in words is "eleven million, four hundred twenty thousand, seven hundred twenty-six".