13996774 has 8 divisors (see below), whose sum is σ = 22903848. Its totient is φ = 6362160.

The previous prime is 13996757. The next prime is 13996781. The reversal of 13996774 is 47769931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318087 + ... + 318130.

It is an arithmetic number, because the mean of its divisors is an integer number (2862981).

Almost surely, 2^13996774 is an apocalyptic number.

13996774 is a deficient number, since it is larger than the sum of its proper divisors (8907074).

13996774 is a wasteful number, since it uses less digits than its factorization.

13996774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636230.

The product of its digits is 285768, while the sum is 46.

The square root of 13996774 is about 3741.2262695539. The cubic root of 13996774 is about 240.9957128075.

It can be divided in two parts, 139967 and 74, that added together give a palindrome (140041).

The spelling of 13996774 in words is "thirteen million, nine hundred ninety-six thousand, seven hundred seventy-four".