13406897 has 8 divisors (see below), whose sum is σ = 16223616. Its totient is φ = 10815552.

The previous prime is 13406879. The next prime is 13406909. The reversal of 13406897 is 79860431.

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-13406897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13406897.

It is not an unprimeable number, because it can be changed into a prime (13406807) 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, 56213 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (2027952).

Almost surely, 2^13406897 is an apocalyptic number.

13406897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13406897 is a deficient number, since it is larger than the sum of its proper divisors (2816719).

13406897 is a wasteful number, since it uses less digits than its factorization.

13406897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112687.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13406897 is about 3661.5429807664. The cubic root of 13406897 is about 237.5615175823.

The spelling of 13406897 in words is "thirteen million, four hundred six thousand, eight hundred ninety-seven".