11626840 has 16 divisors (see below), whose sum is σ = 26160480. Its totient is φ = 4650720.

The previous prime is 11626819. The next prime is 11626847. The reversal of 11626840 is 4862611.

It is a junction number, because it is equal to n+sod(n) for n = 11626799 and 11626808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626847) 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, 145296 + ... + 145375.

It is an arithmetic number, because the mean of its divisors is an integer number (1635030).

Almost surely, 2^11626840 is an apocalyptic number.

11626840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11626840 is an abundant number, since it is smaller than the sum of its proper divisors (14533640).

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

11626840 is a wasteful number, since it uses less digits than its factorization.

11626840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290682 (or 290678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 11626840 is about 3409.8152442618. The cubic root of 11626840 is about 226.5446960088.

The spelling of 11626840 in words is "eleven million, six hundred twenty-six thousand, eight hundred forty".