12905453 has 4 divisors (see below), whose sum is σ = 14078688. Its totient is φ = 11732220.

The previous prime is 12905437. The next prime is 12905467. The reversal of 12905453 is 35450921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12905453 - 2⁴ = 12905437 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 (12905413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586601 + ... + 586622.

It is an arithmetic number, because the mean of its divisors is an integer number (3519672).

Almost surely, 2^12905453 is an apocalyptic number.

It is an amenable number.

12905453 is a deficient number, since it is larger than the sum of its proper divisors (1173235).

12905453 is a wasteful number, since it uses less digits than its factorization.

12905453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173234.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 12905453 is about 3592.4160393807. The cubic root of 12905453 is about 234.5620514002.

The spelling of 12905453 in words is "twelve million, nine hundred five thousand, four hundred fifty-three".