13956574 has 4 divisors (see below), whose sum is σ = 20934864. Its totient is φ = 6978286.

The previous prime is 13956563. The next prime is 13956577. The reversal of 13956574 is 47565931.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13956577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489142 + ... + 3489145.

It is an arithmetic number, because the mean of its divisors is an integer number (5233716).

Almost surely, 2^13956574 is an apocalyptic number.

13956574 is a deficient number, since it is larger than the sum of its proper divisors (6978290).

13956574 is an equidigital number, since it uses as much as digits as its factorization.

13956574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978289.

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

The square root of 13956574 is about 3735.8498363826. The cubic root of 13956574 is about 240.7647710813.

The spelling of 13956574 in words is "thirteen million, nine hundred fifty-six thousand, five hundred seventy-four".