13078090 has 8 divisors (see below), whose sum is σ = 23540580. Its totient is φ = 5231232.

The previous prime is 13078073. The next prime is 13078097. The reversal of 13078090 is 9087031.

13078090 is digitally balanced in base 2, because in such base 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 12967201 + 110889 = 3601^2 + 333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13078097) 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, 653895 + ... + 653914.

Almost surely, 2^13078090 is an apocalyptic number.

13078090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13078090 is a deficient number, since it is larger than the sum of its proper divisors (10462490).

13078090 is a wasteful number, since it uses less digits than its factorization.

13078090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307816.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 13078090 is about 3616.3641962612. The cubic root of 13078090 is about 235.6033387532.

The spelling of 13078090 in words is "thirteen million, seventy-eight thousand, ninety".