13403497 has 8 divisors (see below), whose sum is σ = 14229000. Its totient is φ = 12582144.

The previous prime is 13403491. The next prime is 13403513. The reversal of 13403497 is 79430431.

It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 8785296 = 2149^2 + 2964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13403491) 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 in 7 ways as a sum of consecutive naturals, for example, 7879 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (1778625).

Almost surely, 2^13403497 is an apocalyptic number.

13403497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13403497 is a deficient number, since it is larger than the sum of its proper divisors (825503).

13403497 is a wasteful number, since it uses less digits than its factorization.

13403497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13403497 is about 3661.0786661857. The cubic root of 13403497 is about 237.5414339530.

The spelling of 13403497 in words is "thirteen million, four hundred three thousand, four hundred ninety-seven".