13742186 has 8 divisors (see below), whose sum is σ = 20675460. Its totient is φ = 6850368.

The previous prime is 13742173. The next prime is 13742191. The reversal of 13742186 is 68124731.

13742186 = T₁₀₀ + T₁₀₁ + ... + T₄₃₆.

It can be written as a sum of positive squares in 2 ways, for example, as 13359025 + 383161 = 3655^2 + 619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 9521 + ... + 10868.

Almost surely, 2^13742186 is an apocalyptic number.

13742186 is a deficient number, since it is larger than the sum of its proper divisors (6933274).

13742186 is a wasteful number, since it uses less digits than its factorization.

13742186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20728.

The product of its digits is 8064, while the sum is 32.

The square root of 13742186 is about 3707.0454542668. The cubic root of 13742186 is about 239.5256022479.

The spelling of 13742186 in words is "thirteen million, seven hundred forty-two thousand, one hundred eighty-six".