13142261 has 4 divisors (see below), whose sum is σ = 14337024. Its totient is φ = 11947500.

The previous prime is 13142231. The next prime is 13142279. The reversal of 13142261 is 16224131.

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 13142261 - 2⁶ = 13142197 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 (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 3 ways as a sum of consecutive naturals, for example, 597365 + ... + 597386.

It is an arithmetic number, because the mean of its divisors is an integer number (3584256).

Almost surely, 2^13142261 is an apocalyptic number.

13142261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13142261 is a deficient number, since it is larger than the sum of its proper divisors (1194763).

13142261 is a wasteful number, since it uses less digits than its factorization.

13142261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194762.

The product of its digits is 288, while the sum is 20.

The square root of 13142261 is about 3625.2256481494. The cubic root of 13142261 is about 235.9880595797.

Adding to 13142261 its reverse (16224131), we get a palindrome (29366392).

The spelling of 13142261 in words is "thirteen million, one hundred forty-two thousand, two hundred sixty-one".