13853974 has 4 divisors (see below), whose sum is σ = 20780964. Its totient is φ = 6926986.

The previous prime is 13853971. The next prime is 13853977. The reversal of 13853974 is 47935831.

13853974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47935831 = 37 ⋅1295563.

It is an interprime number because it is at equal distance from previous prime (13853971) and next prime (13853977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3463492 + ... + 3463495.

It is an arithmetic number, because the mean of its divisors is an integer number (5195241).

Almost surely, 2^13853974 is an apocalyptic number.

13853974 is a deficient number, since it is larger than the sum of its proper divisors (6926990).

13853974 is an equidigital number, since it uses as much as digits as its factorization.

13853974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926989.

The product of its digits is 90720, while the sum is 40.

The square root of 13853974 is about 3722.0926909469. The cubic root of 13853974 is about 240.1733354298.

The spelling of 13853974 in words is "thirteen million, eight hundred fifty-three thousand, nine hundred seventy-four".