13995137 has 8 divisors (see below), whose sum is σ = 15169896. Its totient is φ = 12834432.

The previous prime is 13995119. The next prime is 13995151. The reversal of 13995137 is 73159931.

It can be written as a sum of positive squares in 4 ways, for example, as 919681 + 13075456 = 959^2 + 3616^2 .

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

It is not a de Polignac number, because 13995137 - 2¹² = 13991041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995137.

It is not an unprimeable number, because it can be changed into a prime (13995187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 5469.

It is an arithmetic number, because the mean of its divisors is an integer number (1896237).

Almost surely, 2^13995137 is an apocalyptic number.

It is an amenable number.

13995137 is a deficient number, since it is larger than the sum of its proper divisors (1174759).

13995137 is a wasteful number, since it uses less digits than its factorization.

13995137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its digits is 25515, while the sum is 38.

The square root of 13995137 is about 3741.0074846223. The cubic root of 13995137 is about 240.9863171814.

The spelling of 13995137 in words is "thirteen million, nine hundred ninety-five thousand, one hundred thirty-seven".