13042156 has 6 divisors (see below), whose sum is σ = 22823780. Its totient is φ = 6521076.

The previous prime is 13042129. The next prime is 13042157. The reversal of 13042156 is 65124031.

It is not an unprimeable number, because it can be changed into a prime (13042157) 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 as a sum of consecutive naturals, namely, 1630266 + ... + 1630273.

Almost surely, 2^13042156 is an apocalyptic number.

It is an amenable number.

13042156 is a deficient number, since it is larger than the sum of its proper divisors (9781624).

13042156 is a wasteful number, since it uses less digits than its factorization.

13042156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260543 (or 3260541 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13042156 is about 3611.3925292053. The cubic root of 13042156 is about 235.3873557298.

Adding to 13042156 its reverse (65124031), we get a palindrome (78166187).

The spelling of 13042156 in words is "thirteen million, forty-two thousand, one hundred fifty-six".