13105490 has 8 divisors (see below), whose sum is σ = 23589900. Its totient is φ = 5242192.

The previous prime is 13105489. The next prime is 13105501. The reversal of 13105490 is 9450131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13082689 + 22801 = 3617^2 + 151^2 .

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

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, 655265 + ... + 655284.

Almost surely, 2^13105490 is an apocalyptic number.

13105490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105490 is a deficient number, since it is larger than the sum of its proper divisors (10484410).

13105490 is a wasteful number, since it uses less digits than its factorization.

13105490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310556.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13105490 is about 3620.1505493556. The cubic root of 13105490 is about 235.7677620591.

The spelling of 13105490 in words is "thirteen million, one hundred five thousand, four hundred ninety".