13901613 has 16 divisors (see below), whose sum is σ = 20653056. Its totient is φ = 8245040.

The previous prime is 13901579. The next prime is 13901621. The reversal of 13901613 is 31610931.

It is a cyclic number.

It is not a de Polignac number, because 13901613 - 2⁶ = 13901549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901623) 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 15 ways as a sum of consecutive naturals, for example, 2931 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (1290816).

Almost surely, 2^13901613 is an apocalyptic number.

It is an amenable number.

13901613 is a deficient number, since it is larger than the sum of its proper divisors (6751443).

13901613 is a wasteful number, since it uses less digits than its factorization.

13901613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 13901613 is about 3728.4866903343. The cubic root of 13901613 is about 240.4483113547.

It can be divided in two parts, 1390 and 1613, that added together give a palindrome (3003).

The spelling of 13901613 in words is "thirteen million, nine hundred one thousand, six hundred thirteen".