13921464 has 32 divisors (see below), whose sum is σ = 34957440. Its totient is φ = 4620000.

The previous prime is 13921451. The next prime is 13921477. The reversal of 13921464 is 46412931.

13921464 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 an interprime number because it is at equal distance from previous prime (13921451) and next prime (13921477).

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, 4869 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (1092420).

Almost surely, 2^13921464 is an apocalyptic number.

It is an amenable number.

13921464 is an abundant number, since it is smaller than the sum of its proper divisors (21035976).

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

13921464 is a wasteful number, since it uses less digits than its factorization.

13921464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2567 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13921464 is about 3731.1478126711. The cubic root of 13921464 is about 240.5627074149.

The spelling of 13921464 in words is "thirteen million, nine hundred twenty-one thousand, four hundred sixty-four".