13870034 has 8 divisors (see below), whose sum is σ = 20876940. Its totient is φ = 6911056.

The previous prime is 13869991. The next prime is 13870039. The reversal of 13870034 is 43007831.

It can be written as a sum of positive squares in 2 ways, for example, as 13344409 + 525625 = 3653^2 + 725^2 .

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

It is a super-2 number, since 2×13870034² = 384755686322312, which contains 22 as substring.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 13869985 and 13870012.

It is not an unprimeable number, because it can be changed into a prime (13870039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11249 + ... + 12420.

Almost surely, 2^13870034 is an apocalyptic number.

13870034 is a deficient number, since it is larger than the sum of its proper divisors (7006906).

13870034 is a wasteful number, since it uses less digits than its factorization.

13870034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23964.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13870034 is about 3724.2494545881. The cubic root of 13870034 is about 240.2661053038.

Adding to 13870034 its reverse (43007831), we get a palindrome (56877865).

The spelling of 13870034 in words is "thirteen million, eight hundred seventy thousand, thirty-four".