13122136 has 8 divisors (see below), whose sum is σ = 24604020. Its totient is φ = 6561064.

The previous prime is 13122133. The next prime is 13122157. The reversal of 13122136 is 63122131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820126 + ... + 820141.

Almost surely, 2^13122136 is an apocalyptic number.

It is an amenable number.

13122136 is a deficient number, since it is larger than the sum of its proper divisors (11481884).

13122136 is a wasteful number, since it uses less digits than its factorization.

13122136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640273 (or 1640269 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 13122136 is about 3622.4488954297. The cubic root of 13122136 is about 235.8675403384.

Adding to 13122136 its reverse (63122131), we get a palindrome (76244267).

The spelling of 13122136 in words is "thirteen million, one hundred twenty-two thousand, one hundred thirty-six".