13977123 has 8 divisors (see below), whose sum is σ = 19446528. Its totient is φ = 8912904.

The previous prime is 13977121. The next prime is 13977133. The reversal of 13977123 is 32177931.

It is a happy number.

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

It is not a de Polignac number, because 13977123 - 2¹ = 13977121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13977121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101215 + ... + 101352.

It is an arithmetic number, because the mean of its divisors is an integer number (2430816).

Almost surely, 2^13977123 is an apocalyptic number.

13977123 is a deficient number, since it is larger than the sum of its proper divisors (5469405).

13977123 is a wasteful number, since it uses less digits than its factorization.

13977123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202593.

The product of its digits is 7938, while the sum is 33.

The square root of 13977123 is about 3738.5990691702. The cubic root of 13977123 is about 240.8828766928.

It can be divided in two parts, 13977 and 123, that multiplied together give a palindrome (1719171).

The spelling of 13977123 in words is "thirteen million, nine hundred seventy-seven thousand, one hundred twenty-three".