13570431 has 16 divisors (see below), whose sum is σ = 20832000. Its totient is φ = 7697088.

The previous prime is 13570429. The next prime is 13570439. The reversal of 13570431 is 13407531.

It is not a de Polignac number, because 13570431 - 2¹ = 13570429 is a prime.

It is a super-2 number, since 2×13570431² = 368313195051522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13570439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1302000).

Almost surely, 2^13570431 is an apocalyptic number.

13570431 is a deficient number, since it is larger than the sum of its proper divisors (7261569).

13570431 is a wasteful number, since it uses less digits than its factorization.

13570431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13570431 is about 3683.8065910142. The cubic root of 13570431 is about 238.5235221538.

Adding to 13570431 its reverse (13407531), we get a palindrome (26977962).

The spelling of 13570431 in words is "thirteen million, five hundred seventy thousand, four hundred thirty-one".