13799477 has 4 divisors (see below), whose sum is σ = 13814316. Its totient is φ = 13784640.

The previous prime is 13799459. The next prime is 13799479. The reversal of 13799477 is 77499731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77499731 = 131 ⋅591601.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 5424241 = 2894^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 13799477 - 2¹⁰ = 13798453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799479) 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, 5924 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (3453579).

Almost surely, 2^13799477 is an apocalyptic number.

It is an amenable number.

13799477 is a deficient number, since it is larger than the sum of its proper divisors (14839).

13799477 is an equidigital number, since it uses as much as digits as its factorization.

13799477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14838.

The product of its digits is 333396, while the sum is 47.

The square root of 13799477 is about 3714.7647301007. The cubic root of 13799477 is about 239.8580004912.

The spelling of 13799477 in words is "thirteen million, seven hundred ninety-nine thousand, four hundred seventy-seven".