13053457 has 4 divisors (see below), whose sum is σ = 13371876. Its totient is φ = 12735040.

The previous prime is 13053431. The next prime is 13053461. The reversal of 13053457 is 75435031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75435031 = 7 ⋅10776433.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 11082241 = 1404^2 + 3329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13053457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13053487) 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 3 ways as a sum of consecutive naturals, for example, 159148 + ... + 159229.

It is an arithmetic number, because the mean of its divisors is an integer number (3342969).

Almost surely, 2^13053457 is an apocalyptic number.

It is an amenable number.

13053457 is a deficient number, since it is larger than the sum of its proper divisors (318419).

13053457 is an equidigital number, since it uses as much as digits as its factorization.

13053457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318418.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13053457 is about 3612.9568223271. The cubic root of 13053457 is about 235.4553236473.

Adding to 13053457 its reverse (75435031), we get a palindrome (88488488).

The spelling of 13053457 in words is "thirteen million, fifty-three thousand, four hundred fifty-seven".