13903453 has 6 divisors (see below), whose sum is σ = 14302554. Its totient is φ = 13505616.

The previous prime is 13903451. The next prime is 13903457. The reversal of 13903453 is 35430931.

13903453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 161604 + 13741849 = 402^2 + 3707^2 .

It is not a de Polignac number, because 13903453 - 2¹ = 13903451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13903451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22375 + ... + 22987.

It is an arithmetic number, because the mean of its divisors is an integer number (2383759).

Almost surely, 2^13903453 is an apocalyptic number.

It is an amenable number.

13903453 is a deficient number, since it is larger than the sum of its proper divisors (399101).

13903453 is an frugal number, since it uses more digits than its factorization.

13903453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13903453 is about 3728.7334310728. The cubic root of 13903453 is about 240.4589193653.

The spelling of 13903453 in words is "thirteen million, nine hundred three thousand, four hundred fifty-three".