13051040 has 24 divisors (see below), whose sum is σ = 30833460. Its totient is φ = 5220352.

The previous prime is 13051033. The next prime is 13051061. The reversal of 13051040 is 4015031.

It can be written as a sum of positive squares in 2 ways, for example, as 11102224 + 1948816 = 3332^2 + 1396^2 .

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, 40625 + ... + 40944.

Almost surely, 2^13051040 is an apocalyptic number.

13051040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13051040 is an abundant number, since it is smaller than the sum of its proper divisors (17782420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13051040 is an equidigital number, since it uses as much as digits as its factorization.

13051040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81584 (or 81576 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13051040 is about 3612.6223162683. The cubic root of 13051040 is about 235.4407903160.

Adding to 13051040 its reverse (4015031), we get a palindrome (17066071).

The spelling of 13051040 in words is "thirteen million, fifty-one thousand, forty".