13970017 has 8 divisors (see below), whose sum is σ = 14214312. Its totient is φ = 13728000.

The previous prime is 13970009. The next prime is 13970023. The reversal of 13970017 is 71007931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 11826721 = 1464^2 + 3439^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13970017 - 2³ = 13970009 is a prime.

It is a super-2 number, since 2×13970017² = 390322749960578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13970917) 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 in 7 ways as a sum of consecutive naturals, for example, 15417 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (1776789).

Almost surely, 2^13970017 is an apocalyptic number.

It is an amenable number.

13970017 is a deficient number, since it is larger than the sum of its proper divisors (244295).

13970017 is a wasteful number, since it uses less digits than its factorization.

13970017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 13970017 is about 3737.6485923639. The cubic root of 13970017 is about 240.8420479786.

Adding to 13970017 its reverse (71007931), we get a palindrome (84977948).

The spelling of 13970017 in words is "thirteen million, nine hundred seventy thousand, seventeen".