13722377 has 8 divisors (see below), whose sum is σ = 14022912. Its totient is φ = 13424400.

The previous prime is 13722361. The next prime is 13722403. The reversal of 13722377 is 77322731.

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 13722377 - 2⁴ = 13722361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13722347) 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, 13352 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (1752864).

Almost surely, 2^13722377 is an apocalyptic number.

It is an amenable number.

13722377 is a deficient number, since it is larger than the sum of its proper divisors (300535).

13722377 is an equidigital number, since it uses as much as digits as its factorization.

13722377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its digits is 12348, while the sum is 32.

The square root of 13722377 is about 3704.3726864342. The cubic root of 13722377 is about 239.4104569501.

The spelling of 13722377 in words is "thirteen million, seven hundred twenty-two thousand, three hundred seventy-seven".