11720910 has 32 divisors (see below), whose sum is σ = 29612160. Its totient is φ = 2960928.

The previous prime is 11720903. The next prime is 11720977. The reversal of 11720910 is 1902711.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9712 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (925380).

Almost surely, 2^11720910 is an apocalyptic number.

11720910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11720910 is an abundant number, since it is smaller than the sum of its proper divisors (17891250).

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

11720910 is a wasteful number, since it uses less digits than its factorization.

11720910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20592.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 11720910 is about 3423.5814580641. The cubic root of 11720910 is about 227.1540287328.

The spelling of 11720910 in words is "eleven million, seven hundred twenty thousand, nine hundred ten".