13200040 has 32 divisors (see below), whose sum is σ = 33943680. Its totient is φ = 4525632.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200040 is 4000231.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 23292 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (1060740).

Almost surely, 2^13200040 is an apocalyptic number.

13200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200040 is an abundant number, since it is smaller than the sum of its proper divisors (20743640).

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

13200040 is a wasteful number, since it uses less digits than its factorization.

13200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47161 (or 47157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13200040 is about 3633.1859297316. The cubic root of 13200040 is about 236.3333888136. Note that the first 4 decimals are identical.

Adding to 13200040 its reverse (4000231), we get a palindrome (17200271).

The spelling of 13200040 in words is "thirteen million, two hundred thousand, forty".