13025431 has 16 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 11860128.

The previous prime is 13025407. The next prime is 13025459. The reversal of 13025431 is 13452031.

It is a cyclic number.

It is not a de Polignac number, because 13025431 - 2⁹ = 13024919 is a prime.

It is a super-2 number, since 2×13025431² = 339323705471522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13025399 and 13025408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025401) 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 15 ways as a sum of consecutive naturals, for example, 87345 + ... + 87493.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^13025431 is an apocalyptic number.

13025431 is a deficient number, since it is larger than the sum of its proper divisors (1230569).

13025431 is a wasteful number, since it uses less digits than its factorization.

13025431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13025431 is about 3609.0761975885. The cubic root of 13025431 is about 235.2866940097.

Adding to 13025431 its reverse (13452031), we get a palindrome (26477462).

It can be divided in two parts, 13025 and 431, that added together give a square (13456 = 116²).

The spelling of 13025431 in words is "thirteen million, twenty-five thousand, four hundred thirty-one".