13840453 has 16 divisors (see below), whose sum is σ = 15998400. Its totient is φ = 11854080.

The previous prime is 13840451. The next prime is 13840483. The reversal of 13840453 is 35404831.

It is a cyclic number.

It is not a de Polignac number, because 13840453 - 2¹ = 13840451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13213 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (999900).

Almost surely, 2^13840453 is an apocalyptic number.

It is an amenable number.

13840453 is a deficient number, since it is larger than the sum of its proper divisors (2157947).

13840453 is a wasteful number, since it uses less digits than its factorization.

13840453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 13840453 is about 3720.2759306267. The cubic root of 13840453 is about 240.0951763715.

The spelling of 13840453 in words is "thirteen million, eight hundred forty thousand, four hundred fifty-three".