13403334 has 16 divisors (see below), whose sum is σ = 30636288. Its totient is φ = 3829512.

The previous prime is 13403333. The next prime is 13403371. The reversal of 13403334 is 43330431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13403334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403333) 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, 159522 + ... + 159605.

It is an arithmetic number, because the mean of its divisors is an integer number (1914768).

Almost surely, 2^13403334 is an apocalyptic number.

13403334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13403334 is an abundant number, since it is smaller than the sum of its proper divisors (17232954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13403334 is a wasteful number, since it uses less digits than its factorization.

13403334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319139.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 13403334 is about 3661.0564049192. The cubic root of 13403334 is about 237.5404710348.

Adding to 13403334 its reverse (43330431), we get a palindrome (56733765).

The spelling of 13403334 in words is "thirteen million, four hundred three thousand, three hundred thirty-four".