13125051 has 16 divisors (see below), whose sum is σ = 19641120. Its totient is φ = 8661600.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125051 is 15052131.

13125051 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13125051 - 2⁶ = 13124987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13125053) 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, 321 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (1227570).

Almost surely, 2^13125051 is an apocalyptic number.

13125051 is a deficient number, since it is larger than the sum of its proper divisors (6516069).

13125051 is a wasteful number, since it uses less digits than its factorization.

13125051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 13125051 is about 3622.8512252092. The cubic root of 13125051 is about 235.8850045423.

Adding to 13125051 its reverse (15052131), we get a palindrome (28177182).

The spelling of 13125051 in words is "thirteen million, one hundred twenty-five thousand, fifty-one".