13403734 has 4 divisors (see below), whose sum is σ = 20105604. Its totient is φ = 6701866.

The previous prime is 13403723. The next prime is 13403737. The reversal of 13403734 is 43730431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13403699 and 13403708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350932 + ... + 3350935.

It is an arithmetic number, because the mean of its divisors is an integer number (5026401).

Almost surely, 2^13403734 is an apocalyptic number.

13403734 is a deficient number, since it is larger than the sum of its proper divisors (6701870).

13403734 is an equidigital number, since it uses as much as digits as its factorization.

13403734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701869.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 13403734 is about 3661.1110335525. Note that the first 3 decimals coincide. The cubic root of 13403734 is about 237.5428340102.

The spelling of 13403734 in words is "thirteen million, four hundred three thousand, seven hundred thirty-four".