13325431 has 8 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 11352408.

The previous prime is 13325407. The next prime is 13325437. The reversal of 13325431 is 13452331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13325431 - 2¹⁵ = 13292663 is a prime.

It is a super-2 number, since 2×13325431² = 355134222671522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^13325431 is an apocalyptic number.

13325431 is a deficient number, since it is larger than the sum of its proper divisors (1996169).

13325431 is a wasteful number, since it uses less digits than its factorization.

13325431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573.

The product of its digits is 1080, while the sum is 22.

The square root of 13325431 is about 3650.4014847685. The cubic root of 13325431 is about 237.0793647805.

Adding to 13325431 its reverse (13452331), we get a palindrome (26777762).

The spelling of 13325431 in words is "thirteen million, three hundred twenty-five thousand, four hundred thirty-one".