11406520 has 32 divisors (see below), whose sum is σ = 25816320. Its totient is φ = 4535680.

The previous prime is 11406509. The next prime is 11406533. The reversal of 11406520 is 2560411.

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 in 7 ways as a sum of consecutive naturals, for example, 6894 + ... + 8386.

It is an arithmetic number, because the mean of its divisors is an integer number (806760).

Almost surely, 2^11406520 is an apocalyptic number.

11406520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11406520 is an abundant number, since it is smaller than the sum of its proper divisors (14409800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11406520 is a wasteful number, since it uses less digits than its factorization.

11406520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11406520 is about 3377.3539938834. The cubic root of 11406520 is about 225.1046097922.

Adding to 11406520 its reverse (2560411), we get a palindrome (13966931).

The spelling of 11406520 in words is "eleven million, four hundred six thousand, five hundred twenty".