13433320 has 16 divisors (see below), whose sum is σ = 30225060. Its totient is φ = 5373312.

The previous prime is 13433309. The next prime is 13433333. The reversal of 13433320 is 2333431.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 343396 = 3618^2 + 586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167877 + ... + 167956.

Almost surely, 2^13433320 is an apocalyptic number.

13433320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13433320 is an abundant number, since it is smaller than the sum of its proper divisors (16791740).

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

13433320 is a wasteful number, since it uses less digits than its factorization.

13433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335844 (or 335840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 13433320 is about 3665.1493830402. The cubic root of 13433320 is about 237.7174813063.

Adding to 13433320 its reverse (2333431), we get a palindrome (15766751).

The spelling of 13433320 in words is "thirteen million, four hundred thirty-three thousand, three hundred twenty".