13343976 has 48 divisors (see below), whose sum is σ = 37124100. Its totient is φ = 4326912.

The previous prime is 13343951. The next prime is 13343977. The reversal of 13343976 is 67934331.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 599076 = 3570^2 + 774^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13343976.

It is not an unprimeable number, because it can be changed into a prime (13343977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160 + ... + 5168.

Almost surely, 2^13343976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13343976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18562050).

13343976 is an abundant number, since it is smaller than the sum of its proper divisors (23780124).

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

13343976 is a wasteful number, since it uses less digits than its factorization.

13343976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5051 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 13343976 is about 3652.9407331628. The cubic root of 13343976 is about 237.1892949033.

The spelling of 13343976 in words is "thirteen million, three hundred forty-three thousand, nine hundred seventy-six".