13333378 has 4 divisors (see below), whose sum is σ = 20000070. Its totient is φ = 6666688.

The previous prime is 13333373. The next prime is 13333381. The reversal of 13333378 is 87333331.

13333378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87333331 = 73 ⋅1196347.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 134689 = 3633^2 + 367^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13333373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333343 + ... + 3333346.

Almost surely, 2^13333378 is an apocalyptic number.

13333378 is a deficient number, since it is larger than the sum of its proper divisors (6666692).

13333378 is an equidigital number, since it uses as much as digits as its factorization.

13333378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666691.

The product of its digits is 13608, while the sum is 31.

The square root of 13333378 is about 3651.4898329312. The cubic root of 13333378 is about 237.1264850900.

The spelling of 13333378 in words is "thirteen million, three hundred thirty-three thousand, three hundred seventy-eight".