11473040 has 20 divisors (see below), whose sum is σ = 26675004. Its totient is φ = 4589184.

The previous prime is 11473039. The next prime is 11473043. The reversal of 11473040 is 4037411.

It can be written as a sum of positive squares in 2 ways, for example, as 8596624 + 2876416 = 2932^2 + 1696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11473043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71627 + ... + 71786.

Almost surely, 2^11473040 is an apocalyptic number.

11473040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11473040 is an abundant number, since it is smaller than the sum of its proper divisors (15201964).

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

11473040 is a wasteful number, since it uses less digits than its factorization.

11473040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143426 (or 143420 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11473040 is about 3387.1876239736. The cubic root of 11473040 is about 225.5413466890.

The spelling of 11473040 in words is "eleven million, four hundred seventy-three thousand, forty".