13406653 has 4 divisors (see below), whose sum is σ = 14437948. Its totient is φ = 12375360.

The previous prime is 13406651. The next prime is 13406711. The reversal of 13406653 is 35660431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35660431 = 89 ⋅400679.

It can be written as a sum of positive squares in 2 ways, for example, as 5555449 + 7851204 = 2357^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 13406653 - 2¹ = 13406651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406651) 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 3 ways as a sum of consecutive naturals, for example, 515628 + ... + 515653.

It is an arithmetic number, because the mean of its divisors is an integer number (3609487).

Almost surely, 2^13406653 is an apocalyptic number.

13406653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13406653 is a deficient number, since it is larger than the sum of its proper divisors (1031295).

13406653 is a wasteful number, since it uses less digits than its factorization.

13406653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031294.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 13406653 is about 3661.5096613282. The cubic root of 13406653 is about 237.5600763996.

The spelling of 13406653 in words is "thirteen million, four hundred six thousand, six hundred fifty-three".