13928797 has 8 divisors (see below), whose sum is σ = 14781312. Its totient is φ = 13080000.

The previous prime is 13928791. The next prime is 13928833. The reversal of 13928797 is 79782931.

It is a happy number.

13928797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13928797 - 2¹⁹ = 13404509 is a prime.

It is a super-2 number, since 2×13928797² = 388022771734418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12222 + ... + 13312.

It is an arithmetic number, because the mean of its divisors is an integer number (1847664).

Almost surely, 2^13928797 is an apocalyptic number.

13928797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13928797 is a deficient number, since it is larger than the sum of its proper divisors (852515).

13928797 is a wasteful number, since it uses less digits than its factorization.

13928797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 190512, while the sum is 46.

The square root of 13928797 is about 3732.1303567802. The cubic root of 13928797 is about 240.6049380474.

The spelling of 13928797 in words is "thirteen million, nine hundred twenty-eight thousand, seven hundred ninety-seven".