13142274 has 16 divisors (see below), whose sum is σ = 26580960. Its totient is φ = 4331360.

The previous prime is 13142231. The next prime is 13142279. The reversal of 13142274 is 47224131.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13142279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11772 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (1661310).

Almost surely, 2^13142274 is an apocalyptic number.

13142274 is an abundant number, since it is smaller than the sum of its proper divisors (13438686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13142274 is a wasteful number, since it uses less digits than its factorization.

13142274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705.

The product of its digits is 1344, while the sum is 24.

The square root of 13142274 is about 3625.2274411408. The cubic root of 13142274 is about 235.9881373909.

The spelling of 13142274 in words is "thirteen million, one hundred forty-two thousand, two hundred seventy-four".