13463993 has 4 divisors (see below), whose sum is σ = 14049408. Its totient is φ = 12878580.

The previous prime is 13463987. The next prime is 13463999. The reversal of 13463993 is 39936431.

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 an interprime number because it is at equal distance from previous prime (13463987) and next prime (13463999).

It is a cyclic number.

It is not a de Polignac number, because 13463993 - 2⁶ = 13463929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13463999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292673 + ... + 292718.

It is an arithmetic number, because the mean of its divisors is an integer number (3512352).

Almost surely, 2^13463993 is an apocalyptic number.

It is an amenable number.

13463993 is a deficient number, since it is larger than the sum of its proper divisors (585415).

13463993 is an equidigital number, since it uses as much as digits as its factorization.

13463993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585414.

The product of its digits is 52488, while the sum is 38.

The square root of 13463993 is about 3669.3314104888. The cubic root of 13463993 is about 237.8982746778.

The spelling of 13463993 in words is "thirteen million, four hundred sixty-three thousand, nine hundred ninety-three".