13453641 has 16 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 8938800.

The previous prime is 13453637. The next prime is 13453669. The reversal of 13453641 is 14635431.

13453641 is a `hidden beast` number, since 13 + 4 + 5 + 3 + 641 = 666.

It is not a de Polignac number, because 13453641 - 2² = 13453637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13453631) 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 15 ways as a sum of consecutive naturals, for example, 9691 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^13453641 is an apocalyptic number.

It is an amenable number.

13453641 is a deficient number, since it is larger than the sum of its proper divisors (6545079).

13453641 is a wasteful number, since it uses less digits than its factorization.

13453641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1687 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 13453641 is about 3667.9205280377. The cubic root of 13453641 is about 237.8372884514.

The spelling of 13453641 in words is "thirteen million, four hundred fifty-three thousand, six hundred forty-one".