13401490 has 8 divisors (see below), whose sum is σ = 24122700. Its totient is φ = 5360592.

The previous prime is 13401473. The next prime is 13401497. The reversal of 13401490 is 9410431.

It can be written as a sum of positive squares in 2 ways, for example, as 10870209 + 2531281 = 3297^2 + 1591^2 .

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 (13401497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670065 + ... + 670084.

Almost surely, 2^13401490 is an apocalyptic number.

13401490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13401490 is a deficient number, since it is larger than the sum of its proper divisors (10721210).

13401490 is a wasteful number, since it uses less digits than its factorization.

13401490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340156.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13401490 is about 3660.8045563783. The cubic root of 13401490 is about 237.5295771105.

The spelling of 13401490 in words is "thirteen million, four hundred one thousand, four hundred ninety".