13874431 has 8 divisors (see below), whose sum is σ = 14770944. Its totient is φ = 12986880.

The previous prime is 13874417. The next prime is 13874437. The reversal of 13874431 is 13447831.

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 13874431 - 2⁷ = 13874303 is a prime.

It is a super-2 number, since 2×13874431² = 384999671147522, 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 = 13874393 and 13874402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13874437) 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 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (1846368).

Almost surely, 2^13874431 is an apocalyptic number.

13874431 is a deficient number, since it is larger than the sum of its proper divisors (896513).

13874431 is a wasteful number, since it uses less digits than its factorization.

13874431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its digits is 8064, while the sum is 31.

The square root of 13874431 is about 3724.8397280957. The cubic root of 13874431 is about 240.2914918901.

The spelling of 13874431 in words is "thirteen million, eight hundred seventy-four thousand, four hundred thirty-one".