13142251 has 8 divisors (see below), whose sum is σ = 13593744. Its totient is φ = 12698400.

The previous prime is 13142231. The next prime is 13142279. The reversal of 13142251 is 15224131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13142251 - 2⁷ = 13142123 is a prime.

It is a super-2 number, since 2×13142251² = 345437522694002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13142231) 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 7 ways as a sum of consecutive naturals, for example, 1701 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (1699218).

Almost surely, 2^13142251 is an apocalyptic number.

13142251 is a deficient number, since it is larger than the sum of its proper divisors (451493).

13142251 is an equidigital number, since it uses as much as digits as its factorization.

13142251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821.

The product of its digits is 240, while the sum is 19.

The square root of 13142251 is about 3625.2242689246. The cubic root of 13142251 is about 235.9879997250.

Adding to 13142251 its reverse (15224131), we get a palindrome (28366382).

The spelling of 13142251 in words is "thirteen million, one hundred forty-two thousand, two hundred fifty-one".