13431334 has 16 divisors (see below), whose sum is σ = 23120928. Its totient is φ = 5732352.

The previous prime is 13431323. The next prime is 13431349. The reversal of 13431334 is 43313431.

It is a happy number.

13431334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (1445058).

Almost surely, 2^13431334 is an apocalyptic number.

13431334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13431334 is a deficient number, since it is larger than the sum of its proper divisors (9689594).

13431334 is a wasteful number, since it uses less digits than its factorization.

13431334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999.

The product of its digits is 1296, while the sum is 22.

The square root of 13431334 is about 3664.8784427318. The cubic root of 13431334 is about 237.7057659055.

Adding to 13431334 its reverse (43313431), we get a palindrome (56744765).

The spelling of 13431334 in words is "thirteen million, four hundred thirty-one thousand, three hundred thirty-four".