13514431 has 4 divisors (see below), whose sum is σ = 15445072. Its totient is φ = 11583792.

The previous prime is 13514429. The next prime is 13514437. The reversal of 13514431 is 13441531.

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 13514431 - 2¹ = 13514429 is a prime.

It is a super-2 number, since 2×13514431² = 365279690507522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13514437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965310 + ... + 965323.

It is an arithmetic number, because the mean of its divisors is an integer number (3861268).

Almost surely, 2^13514431 is an apocalyptic number.

13514431 is a deficient number, since it is larger than the sum of its proper divisors (1930641).

13514431 is an equidigital number, since it uses as much as digits as its factorization.

13514431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930640.

The product of its digits is 720, while the sum is 22.

The square root of 13514431 is about 3676.1979000048. The cubic root of 13514431 is about 238.1949712282.

Adding to 13514431 its reverse (13441531), we get a palindrome (26955962).

Subtracting from 13514431 its reverse (13441531), we obtain a square (72900 = 270²).

The spelling of 13514431 in words is "thirteen million, five hundred fourteen thousand, four hundred thirty-one".