13097646 has 32 divisors (see below), whose sum is σ = 29606400. Its totient is φ = 4290840.

The previous prime is 13097641. The next prime is 13097653. The reversal of 13097646 is 64679031.

13097646 is a `hidden beast` number, since 1 + 3 + 0 + 9 + 7 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13097646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13097641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (925200).

Almost surely, 2^13097646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13097646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14803200).

13097646 is an abundant number, since it is smaller than the sum of its proper divisors (16508754).

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

13097646 is a wasteful number, since it uses less digits than its factorization.

13097646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 13097646 is about 3619.0670068403. The cubic root of 13097646 is about 235.7207148187.

The spelling of 13097646 in words is "thirteen million, ninety-seven thousand, six hundred forty-six".