11473920 has 176 divisors, whose sum is σ = 41267520. Its totient is φ = 3022848.

The previous prime is 11473919. The next prime is 11473927. The reversal of 11473920 is 2937411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138199 + ... + 138281.

Almost surely, 2^11473920 is an apocalyptic number.

11473920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11473920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20633760).

11473920 is an abundant number, since it is smaller than the sum of its proper divisors (29793600).

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

11473920 is an equidigital number, since it uses as much as digits as its factorization.

11473920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 11473920 is about 3387.3175227605. The cubic root of 11473920 is about 225.5471129989.

The spelling of 11473920 in words is "eleven million, four hundred seventy-three thousand, nine hundred twenty".