13513490 has 16 divisors (see below), whose sum is σ = 24385752. Its totient is φ = 5391744.

The previous prime is 13513469. The next prime is 13513499. The reversal of 13513490 is 9431531.

It can be written as a sum of positive squares in 4 ways, for example, as 11175649 + 2337841 = 3343^2 + 1529^2 .

It is a super-2 number, since 2×13513490² = 365228823960200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13513499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092 + ... + 6048.

Almost surely, 2^13513490 is an apocalyptic number.

13513490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13513490 is a deficient number, since it is larger than the sum of its proper divisors (10872262).

13513490 is a wasteful number, since it uses less digits than its factorization.

13513490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13513490 is about 3676.0699122840. The cubic root of 13513490 is about 238.1894426523.

The spelling of 13513490 in words is "thirteen million, five hundred thirteen thousand, four hundred ninety".