13974655 has 4 divisors (see below), whose sum is σ = 16769592. Its totient is φ = 11179720.

The previous prime is 13974601. The next prime is 13974661. The reversal of 13974655 is 55647931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55647931 = 83 ⋅670457.

It is a de Polignac number, because none of the positive numbers 2^k-13974655 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397461 + ... + 1397470.

It is an arithmetic number, because the mean of its divisors is an integer number (4192398).

Almost surely, 2^13974655 is an apocalyptic number.

13974655 is a deficient number, since it is larger than the sum of its proper divisors (2794937).

13974655 is an equidigital number, since it uses as much as digits as its factorization.

13974655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794936.

The product of its digits is 113400, while the sum is 40.

The square root of 13974655 is about 3738.2689844365. The cubic root of 13974655 is about 240.8686979539.

The spelling of 13974655 in words is "thirteen million, nine hundred seventy-four thousand, six hundred fifty-five".