13786993 has 16 divisors (see below), whose sum is σ = 15482880. Its totient is φ = 12171600.

The previous prime is 13786973. The next prime is 13787003. The reversal of 13786993 is 39968731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13786993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13786963) 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, 99118 + ... + 99256.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^13786993 is an apocalyptic number.

It is an amenable number.

13786993 is a deficient number, since it is larger than the sum of its proper divisors (1695887).

13786993 is a wasteful number, since it uses less digits than its factorization.

13786993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 244944, while the sum is 46.

The square root of 13786993 is about 3713.0840281362. The cubic root of 13786993 is about 239.7856477320.

The spelling of 13786993 in words is "thirteen million, seven hundred eighty-six thousand, nine hundred ninety-three".