13253340 has 24 divisors (see below), whose sum is σ = 37109520. Its totient is φ = 3534208.

The previous prime is 13253329. The next prime is 13253351. The reversal of 13253340 is 4335231.

13253340 = 556² + 557² + ... + 595².

It is an interprime number because it is at equal distance from previous prime (13253329) and next prime (13253351).

It is a congruent number.

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, 110385 + ... + 110504.

It is an arithmetic number, because the mean of its divisors is an integer number (1546230).

Almost surely, 2^13253340 is an apocalyptic number.

13253340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13253340 is an abundant number, since it is smaller than the sum of its proper divisors (23856180).

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

13253340 is a wasteful number, since it uses less digits than its factorization.

13253340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220901 (or 220899 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13253340 is about 3640.5137000154. The cubic root of 13253340 is about 236.6510558594.

Adding to 13253340 its reverse (4335231), we get a palindrome (17588571).

The spelling of 13253340 in words is "thirteen million, two hundred fifty-three thousand, three hundred forty".