13031450 has 12 divisors (see below), whose sum is σ = 24238590. Its totient is φ = 5212560.

The previous prime is 13031443. The next prime is 13031461. The reversal of 13031450 is 5413031.

It can be written as a sum of positive squares in 3 ways, for example, as 12581209 + 450241 = 3547^2 + 671^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 130265 + ... + 130364.

Almost surely, 2^13031450 is an apocalyptic number.

13031450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031450 is a deficient number, since it is larger than the sum of its proper divisors (11207140).

13031450 is a wasteful number, since it uses less digits than its factorization.

13031450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260641 (or 260636 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13031450 is about 3609.9099711766. The cubic root of 13031450 is about 235.3229301114.

Adding to 13031450 its reverse (5413031), we get a palindrome (18444481).

The spelling of 13031450 in words is "thirteen million, thirty-one thousand, four hundred fifty".