13381490 has 16 divisors (see below), whose sum is σ = 24327000. Its totient is φ = 5299200.

The previous prime is 13381483. The next prime is 13381507. The reversal of 13381490 is 9418331.

It can be written as a sum of positive squares in 4 ways, for example, as 12243001 + 1138489 = 3499^2 + 1067^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5615 + ... + 7634.

Almost surely, 2^13381490 is an apocalyptic number.

13381490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13381490 is a deficient number, since it is larger than the sum of its proper divisors (10945510).

13381490 is a wasteful number, since it uses less digits than its factorization.

13381490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13381490 is about 3658.0718965050. The cubic root of 13381490 is about 237.4113575017.

The spelling of 13381490 in words is "thirteen million, three hundred eighty-one thousand, four hundred ninety".