13501994 has 16 divisors (see below), whose sum is σ = 22857120. Its totient is φ = 5925360.

The previous prime is 13501993. The next prime is 13502011. The reversal of 13501994 is 49910531.

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 13501994.

It is not an unprimeable number, because it can be changed into a prime (13501993) 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, 9944 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (1428570).

Almost surely, 2^13501994 is an apocalyptic number.

13501994 is a deficient number, since it is larger than the sum of its proper divisors (9355126).

13501994 is a wasteful number, since it uses less digits than its factorization.

13501994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21205.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 13501994 is about 3674.5059531861. The cubic root of 13501994 is about 238.1218804688.

The spelling of 13501994 in words is "thirteen million, five hundred one thousand, nine hundred ninety-four".