13826791 has 12 divisors (see below), whose sum is σ = 15295000. Its totient is φ = 12489840.

The previous prime is 13826783. The next prime is 13826807. The reversal of 13826791 is 19762831.

It is not a de Polignac number, because 13826791 - 2³ = 13826783 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13826791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27460 + ... + 27958.

Almost surely, 2^13826791 is an apocalyptic number.

13826791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13826791 is a deficient number, since it is larger than the sum of its proper divisors (1468209).

13826791 is a wasteful number, since it uses less digits than its factorization.

13826791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 739 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 13826791 is about 3718.4393231570. The cubic root of 13826791 is about 240.0161505335.

The spelling of 13826791 in words is "thirteen million, eight hundred twenty-six thousand, seven hundred ninety-one".