13400653 has 4 divisors (see below), whose sum is σ = 15315040. Its totient is φ = 11486268.

The previous prime is 13400633. The next prime is 13400657. The reversal of 13400653 is 35600431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13400653 - 2⁹ = 13400141 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 (13400657) 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, 957183 + ... + 957196.

It is an arithmetic number, because the mean of its divisors is an integer number (3828760).

Almost surely, 2^13400653 is an apocalyptic number.

It is an amenable number.

13400653 is a deficient number, since it is larger than the sum of its proper divisors (1914387).

13400653 is an equidigital number, since it uses as much as digits as its factorization.

13400653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914386.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13400653 is about 3660.6902354611. The cubic root of 13400653 is about 237.5246319789.

The spelling of 13400653 in words is "thirteen million, four hundred thousand, six hundred fifty-three".