13921452 has 36 divisors (see below), whose sum is σ = 37044280. Its totient is φ = 4396032.

The previous prime is 13921451. The next prime is 13921477. The reversal of 13921452 is 25412931.

13921452 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13921451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9493 + ... + 10860.

Almost surely, 2^13921452 is an apocalyptic number.

13921452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13921452 is an abundant number, since it is smaller than the sum of its proper divisors (23122828).

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

13921452 is a wasteful number, since it uses less digits than its factorization.

13921452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382 (or 20377 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13921452 is about 3731.1462045865. The cubic root of 13921452 is about 240.5626382949.

The spelling of 13921452 in words is "thirteen million, nine hundred twenty-one thousand, four hundred fifty-two".