13995438 has 32 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 4394016.

The previous prime is 13995433. The next prime is 13995439. The reversal of 13995438 is 83459931.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33193 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^13995438 is an apocalyptic number.

13995438 is an abundant number, since it is smaller than the sum of its proper divisors (15639762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13995438 is a wasteful number, since it uses less digits than its factorization.

13995438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its digits is 116640, while the sum is 42.

The square root of 13995438 is about 3741.0477142106. The cubic root of 13995438 is about 240.9880448378.

The spelling of 13995438 in words is "thirteen million, nine hundred ninety-five thousand, four hundred thirty-eight".