13125493 has 4 divisors (see below), whose sum is σ = 13548928. Its totient is φ = 12702060.

The previous prime is 13125481. The next prime is 13125499. The reversal of 13125493 is 39452131.

13125493 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 13125493 - 2⁵ = 13125461 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 (13125499) 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, 211671 + ... + 211732.

It is an arithmetic number, because the mean of its divisors is an integer number (3387232).

Almost surely, 2^13125493 is an apocalyptic number.

It is an amenable number.

13125493 is a deficient number, since it is larger than the sum of its proper divisors (423435).

13125493 is an equidigital number, since it uses as much as digits as its factorization.

13125493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423434.

The product of its digits is 3240, while the sum is 28.

The square root of 13125493 is about 3622.9122263726. The cubic root of 13125493 is about 235.8876524050.

The spelling of 13125493 in words is "thirteen million, one hundred twenty-five thousand, four hundred ninety-three".