13354431 has 8 divisors (see below), whose sum is σ = 17946624. Its totient is φ = 8832600.

The previous prime is 13354417. The next prime is 13354457. The reversal of 13354431 is 13445331.

It is a happy number.

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

It is not a de Polignac number, because 13354431 - 2⁵ = 13354399 is a prime.

It is a super-2 number, since 2×13354431² = 356681654667522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13354031) 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, 17145 + ... + 17906.

It is an arithmetic number, because the mean of its divisors is an integer number (2243328).

Almost surely, 2^13354431 is an apocalyptic number.

13354431 is a deficient number, since it is larger than the sum of its proper divisors (4592193).

13354431 is a wasteful number, since it uses less digits than its factorization.

13354431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35181.

The product of its digits is 2160, while the sum is 24.

The square root of 13354431 is about 3654.3714917890. The cubic root of 13354431 is about 237.2512246389.

Adding to 13354431 its reverse (13445331), we get a palindrome (26799762).

The spelling of 13354431 in words is "thirteen million, three hundred fifty-four thousand, four hundred thirty-one".