13901684 has 6 divisors (see below), whose sum is σ = 24327954. Its totient is φ = 6950840.

The previous prime is 13901681. The next prime is 13901687. The reversal of 13901684 is 48610931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13901681) and next prime (13901687).

It can be written as a sum of positive squares in only one way, i.e., 13853284 + 48400 = 3722^2 + 220^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13901684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901681) 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 as a sum of consecutive naturals, namely, 1737707 + ... + 1737714.

It is an arithmetic number, because the mean of its divisors is an integer number (4054659).

Almost surely, 2^13901684 is an apocalyptic number.

It is an amenable number.

13901684 is a deficient number, since it is larger than the sum of its proper divisors (10426270).

13901684 is a wasteful number, since it uses less digits than its factorization.

13901684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475425 (or 3475423 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13901684 is about 3728.4962116113. The cubic root of 13901684 is about 240.4487207029.

The spelling of 13901684 in words is "thirteen million, nine hundred one thousand, six hundred eighty-four".