13964458 has 4 divisors (see below), whose sum is σ = 20946690. Its totient is φ = 6982228.

The previous prime is 13964453. The next prime is 13964491. The reversal of 13964458 is 85446931.

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

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 1595169 = 3517^2 + 1263^2 .

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 self number, because there is not a number n which added to its sum of digits gives 13964458.

It is not an unprimeable number, because it can be changed into a prime (13964453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491113 + ... + 3491116.

Almost surely, 2^13964458 is an apocalyptic number.

13964458 is a deficient number, since it is larger than the sum of its proper divisors (6982232).

13964458 is an equidigital number, since it uses as much as digits as its factorization.

13964458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982231.

The product of its digits is 103680, while the sum is 40.

The square root of 13964458 is about 3736.9048690059. The cubic root of 13964458 is about 240.8100981589.

The spelling of 13964458 in words is "thirteen million, nine hundred sixty-four thousand, four hundred fifty-eight".