13362431 has 4 divisors (see below), whose sum is σ = 13545552. Its totient is φ = 13179312.

The previous prime is 13362421. The next prime is 13362449. The reversal of 13362431 is 13426331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13362431 - 2¹⁰ = 13361407 is a prime.

It is a super-2 number, since 2×13362431² = 357109124459522, 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 = 13362397 and 13362406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13362421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91451 + ... + 91596.

It is an arithmetic number, because the mean of its divisors is an integer number (3386388).

Almost surely, 2^13362431 is an apocalyptic number.

13362431 is a deficient number, since it is larger than the sum of its proper divisors (183121).

13362431 is an equidigital number, since it uses as much as digits as its factorization.

13362431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183120.

The product of its digits is 1296, while the sum is 23.

The square root of 13362431 is about 3655.4659073776. The cubic root of 13362431 is about 237.2985904637.

Adding to 13362431 its reverse (13426331), we get a palindrome (26788762).

The spelling of 13362431 in words is "thirteen million, three hundred sixty-two thousand, four hundred thirty-one".