13053731 has 4 divisors (see below), whose sum is σ = 13173600. Its totient is φ = 12933864.

The previous prime is 13053727. The next prime is 13053737. The reversal of 13053731 is 13735031.

It is a happy number.

13053731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13735031 = 17 ⋅807943.

It is a cyclic number.

It is not a de Polignac number, because 13053731 - 2² = 13053727 is a prime.

It is a super-2 number, since 2×13053731² = 340799786040722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13053697 and 13053706.

It is not an unprimeable number, because it can be changed into a prime (13053737) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59771 + ... + 59988.

It is an arithmetic number, because the mean of its divisors is an integer number (3293400).

Almost surely, 2^13053731 is an apocalyptic number.

13053731 is a deficient number, since it is larger than the sum of its proper divisors (119869).

13053731 is a wasteful number, since it uses less digits than its factorization.

13053731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119868.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 13053731 is about 3612.9947412085. The cubic root of 13053731 is about 235.4569710859.

Adding to 13053731 its reverse (13735031), we get a palindrome (26788762).

The spelling of 13053731 in words is "thirteen million, fifty-three thousand, seven hundred thirty-one".