13412531 has 8 divisors (see below), whose sum is σ = 14943744. Its totient is φ = 11933320.

The previous prime is 13412521. The next prime is 13412543. The reversal of 13412531 is 13521431.

13412531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13412531 - 2¹⁴ = 13396147 is a prime.

It is a super-2 number, since 2×13412531² = 359791975651922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13412501) 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, 12455 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (1867968).

Almost surely, 2^13412531 is an apocalyptic number.

13412531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13412531 is a deficient number, since it is larger than the sum of its proper divisors (1531213).

13412531 is a wasteful number, since it uses less digits than its factorization.

13412531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26001.

The product of its digits is 360, while the sum is 20.

The square root of 13412531 is about 3662.3122477473. The cubic root of 13412531 is about 237.5947898637.

Adding to 13412531 its reverse (13521431), we get a palindrome (26933962).

Subtracting 13412531 from its reverse (13521431), we obtain a square (108900 = 330²).

The spelling of 13412531 in words is "thirteen million, four hundred twelve thousand, five hundred thirty-one".