13076388 has 36 divisors (see below), whose sum is σ = 35598108. Its totient is φ = 4023360.

The previous prime is 13076381. The next prime is 13076423. The reversal of 13076388 is 88367031.

13076388 is a `hidden beast` number, since 13 + 0 + 7 + 638 + 8 = 666.

13076388 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 9108324 = 1992^2 + 3018^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13076381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13503 + ... + 14438.

Almost surely, 2^13076388 is an apocalyptic number.

13076388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13076388 is an abundant number, since it is smaller than the sum of its proper divisors (22521720).

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

13076388 is a wasteful number, since it uses less digits than its factorization.

13076388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964 (or 27959 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13076388 is about 3616.1288693850. The cubic root of 13076388 is about 235.5931177326.

The spelling of 13076388 in words is "thirteen million, seventy-six thousand, three hundred eighty-eight".