13125451 has 2 divisors, whose sum is σ = 13125452. Its totient is φ = 13125450.

The previous prime is 13125439. The next prime is 13125457. The reversal of 13125451 is 15452131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15452131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13125451 - 2⁵ = 13125419 is a prime.

It is not a weakly prime, because it can be changed into another prime (13125457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562725 + 6562726.

It is an arithmetic number, because the mean of its divisors is an integer number (6562726).

Almost surely, 2^13125451 is an apocalyptic number.

13125451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125451 is an equidigital number, since it uses as much as digits as its factorization.

13125451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 13125451 is about 3622.9064299261. The cubic root of 13125451 is about 235.8874008007.

Adding to 13125451 its reverse (15452131), we get a palindrome (28577582).

The spelling of 13125451 in words is "thirteen million, one hundred twenty-five thousand, four hundred fifty-one".