11731406 has 4 divisors (see below), whose sum is σ = 17597112. Its totient is φ = 5865702.

The previous prime is 11731393. The next prime is 11731409. The reversal of 11731406 is 60413711.

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 (11731409) 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 as a sum of consecutive naturals, namely, 2932850 + ... + 2932853.

It is an arithmetic number, because the mean of its divisors is an integer number (4399278).

Almost surely, 2^11731406 is an apocalyptic number.

11731406 is a deficient number, since it is larger than the sum of its proper divisors (5865706).

11731406 is an equidigital number, since it uses as much as digits as its factorization.

11731406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865705.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 11731406 is about 3425.1140127009. The cubic root of 11731406 is about 227.2218134969.

The spelling of 11731406 in words is "eleven million, seven hundred thirty-one thousand, four hundred six".