11320406 has 4 divisors (see below), whose sum is σ = 16980612. Its totient is φ = 5660202.

The previous prime is 11320403. The next prime is 11320417. The reversal of 11320406 is 60402311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830100 + ... + 2830103.

It is an arithmetic number, because the mean of its divisors is an integer number (4245153).

Almost surely, 2^11320406 is an apocalyptic number.

11320406 is a deficient number, since it is larger than the sum of its proper divisors (5660206).

11320406 is an equidigital number, since it uses as much as digits as its factorization.

11320406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660205.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11320406 is about 3364.5811031984. The cubic root of 11320406 is about 224.5366993408.

Adding to 11320406 its reverse (60402311), we get a palindrome (71722717).

It can be divided in two parts, 113 and 20406, that multiplied together give a triangular number (2305878 = T₂₁₄₇).

The spelling of 11320406 in words is "eleven million, three hundred twenty thousand, four hundred six".