13921134 has 16 divisors (see below), whose sum is σ = 27908688. Its totient is φ = 4629312.

The previous prime is 13921123. The next prime is 13921163. The reversal of 13921134 is 43112931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (1744293).

Almost surely, 2^13921134 is an apocalyptic number.

13921134 is an abundant number, since it is smaller than the sum of its proper divisors (13987554).

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

13921134 is a wasteful number, since it uses less digits than its factorization.

13921134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539.

The product of its digits is 648, while the sum is 24.

The square root of 13921134 is about 3731.1035900923. The cubic root of 13921134 is about 240.5608066013.

The spelling of 13921134 in words is "thirteen million, nine hundred twenty-one thousand, one hundred thirty-four".