13517914 has 4 divisors (see below), whose sum is σ = 20276874. Its totient is φ = 6758956.

The previous prime is 13517909. The next prime is 13517923. The reversal of 13517914 is 41971531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41971531 = 7 ⋅5995933.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 319225 = 3633^2 + 565^2 .

It is a super-2 number, since 2×13517914² = 365467997822792, which contains 22 as substring.

It is an unprimeable number.

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, 3379477 + ... + 3379480.

Almost surely, 2^13517914 is an apocalyptic number.

13517914 is a deficient number, since it is larger than the sum of its proper divisors (6758960).

13517914 is an equidigital number, since it uses as much as digits as its factorization.

13517914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758959.

The product of its digits is 3780, while the sum is 31.

The square root of 13517914 is about 3676.6715926229. The cubic root of 13517914 is about 238.2154323640.

The spelling of 13517914 in words is "thirteen million, five hundred seventeen thousand, nine hundred fourteen".