13432993 has 16 divisors (see below), whose sum is σ = 15780736. Its totient is φ = 11197440.

The previous prime is 13432967. The next prime is 13432997. The reversal of 13432993 is 39923431.

13432993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13432993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13432997) 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, 69505 + ... + 69697.

It is an arithmetic number, because the mean of its divisors is an integer number (986296).

Almost surely, 2^13432993 is an apocalyptic number.

It is an amenable number.

13432993 is a deficient number, since it is larger than the sum of its proper divisors (2347743).

13432993 is a wasteful number, since it uses less digits than its factorization.

13432993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its digits is 17496, while the sum is 34.

The square root of 13432993 is about 3665.1047734001. The cubic root of 13432993 is about 237.7155524149.

The spelling of 13432993 in words is "thirteen million, four hundred thirty-two thousand, nine hundred ninety-three".