13061251 has 4 divisors (see below), whose sum is σ = 14927152. Its totient is φ = 11195352.

The previous prime is 13061249. The next prime is 13061291. The reversal of 13061251 is 15216031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15216031 = 3571 ⋅4261.

It is not a de Polignac number, because 13061251 - 2¹ = 13061249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13061201) 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 in 3 ways as a sum of consecutive naturals, for example, 932940 + ... + 932953.

It is an arithmetic number, because the mean of its divisors is an integer number (3731788).

Almost surely, 2^13061251 is an apocalyptic number.

13061251 is a deficient number, since it is larger than the sum of its proper divisors (1865901).

13061251 is an equidigital number, since it uses as much as digits as its factorization.

13061251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865900.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 13061251 is about 3614.0352792965. The cubic root of 13061251 is about 235.5021764636.

Adding to 13061251 its reverse (15216031), we get a palindrome (28277282).

The spelling of 13061251 in words is "thirteen million, sixty-one thousand, two hundred fifty-one".