13965377 has 4 divisors (see below), whose sum is σ = 13974660. Its totient is φ = 13956096.

The previous prime is 13965353. The next prime is 13965397. The reversal of 13965377 is 77356931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77356931 = 89 ⋅869179.

It can be written as a sum of positive squares in 2 ways, for example, as 4330561 + 9634816 = 2081^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 13965377 - 2¹² = 13961281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13965397) 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, 1808 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (3493665).

Almost surely, 2^13965377 is an apocalyptic number.

It is an amenable number.

13965377 is a deficient number, since it is larger than the sum of its proper divisors (9283).

13965377 is an equidigital number, since it uses as much as digits as its factorization.

13965377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282.

The product of its digits is 119070, while the sum is 41.

The square root of 13965377 is about 3737.0278297064. The cubic root of 13965377 is about 240.8153806083.

The spelling of 13965377 in words is "thirteen million, nine hundred sixty-five thousand, three hundred seventy-seven".