13898774 has 16 divisors (see below), whose sum is σ = 21299760. Its totient is φ = 6800640.

The previous prime is 13898771. The next prime is 13898779. The reversal of 13898774 is 47789831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898771) 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, 19769 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (1331235).

Almost surely, 2^13898774 is an apocalyptic number.

13898774 is a deficient number, since it is larger than the sum of its proper divisors (7400986).

13898774 is a wasteful number, since it uses less digits than its factorization.

13898774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its digits is 338688, while the sum is 47.

The square root of 13898774 is about 3728.1059534300. The cubic root of 13898774 is about 240.4319420496.

The spelling of 13898774 in words is "thirteen million, eight hundred ninety-eight thousand, seven hundred seventy-four".